<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  11.4.0.1 -->
<!--Based on XBRL 2.1-->
<!--Created on: 7/31/2026 8:06:12 PM-->
<!--Modified on: 7/31/2026 8:06:12 PM-->
<xsd:schema targetNamespace="http://www.cubesmart.com/20260630" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:us-gaap="http://fasb.org/us-gaap/2024" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:us-roles="http://fasb.org/us-roles/2024" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:attributeFormDefault="unqualified" xmlns:stpr="http://xbrl.sec.gov/stpr/2024" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:cube="http://www.cubesmart.com/20260630" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:srt="http://fasb.org/srt/2024" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:ecd="http://xbrl.sec.gov/ecd/2024" xmlns:ecd-sub="http://xbrl.sec.gov/ecd-sub/2024">
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureStandardAndCustomAxisDomainDefaults" id="DisclosureStandardAndCustomAxisDomainDefaults">
        <link:definition>99900 - Disclosure - Standard And Custom Axis Domain Defaults</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedBalanceSheets" id="StatementConsolidatedBalanceSheets">
        <link:definition>995200100 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfOperations" id="StatementConsolidatedStatementsOfOperations">
        <link:definition>995200200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss" id="StatementConsolidatedStatementsOfComprehensiveIncomeLoss">
        <link:definition>995200300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfCashFlows" id="StatementConsolidatedStatementsOfCashFlows">
        <link:definition>995200500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedBalanceSheetsLpCube" id="StatementConsolidatedBalanceSheetsLpCube">
        <link:definition>995202100 - Statement - CONSOLIDATED BALANCE SHEETS (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfOperationsLpCube" id="StatementConsolidatedStatementsOfOperationsLpCube">
        <link:definition>995202200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureOtherAssetsDetails" id="DisclosureOtherAssetsDetails">
        <link:definition>99940601 - Disclosure - OTHER ASSETS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureUnsecuredSeniorNotesDetails" id="DisclosureUnsecuredSeniorNotesDetails">
        <link:definition>99940701 - Disclosure - UNSECURED SENIOR NOTES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureMortgageLoansAndNotesPayableSummaryDetails" id="DisclosureMortgageLoansAndNotesPayableSummaryDetails">
        <link:definition>99940901 - Disclosure - MORTGAGE LOANS AND NOTES PAYABLE - Summary (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureMortgageLoansAndNotesPayableFuturePaymentsDetails" id="DisclosureMortgageLoansAndNotesPayableFuturePaymentsDetails">
        <link:definition>99940902 - Disclosure - MORTGAGE LOANS AND NOTES PAYABLE - Future Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureLeasesFutureOperatingLeaseLiabilityMaturitiesDetailsCal2" id="DisclosureLeasesFutureOperatingLeaseLiabilityMaturitiesDetailsCal2">
        <link:definition>41304 - Disclosure - LEASES - Future Operating Lease Liability Maturities (Details) (Cal2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSegmentInformationDetails" id="DisclosureSegmentInformationDetails">
        <link:definition>99941401 - Disclosure - SEGMENT INFORMATION (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalEarningsPerShareAndUnitDetails" id="DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalEarningsPerShareAndUnitDetails">
        <link:definition>99941701 - Disclosure - EARNINGS PER SHARE AND UNIT AND SHAREHOLDERS' EQUITY AND CAPITAL - Earnings Per Share and Unit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>995200090 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedBalanceSheetsParenthetical" id="StatementConsolidatedBalanceSheetsParenthetical">
        <link:definition>995200105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfEquity" id="StatementConsolidatedStatementsOfEquity">
        <link:definition>995200400 - Statement - CONSOLIDATED STATEMENTS OF EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfEquityParenthetical" id="StatementConsolidatedStatementsOfEquityParenthetical">
        <link:definition>995200405 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedBalanceSheetsParentheticalLpCube" id="StatementConsolidatedBalanceSheetsParentheticalLpCube">
        <link:definition>995202105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLossLpCube" id="StatementConsolidatedStatementsOfComprehensiveIncomeLossLpCube">
        <link:definition>995202300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfCapitalLpCube" id="StatementConsolidatedStatementsOfCapitalLpCube">
        <link:definition>995202400 - Statement - CONSOLIDATED STATEMENTS OF CAPITAL (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfCapitalParentheticalLpCube" id="StatementConsolidatedStatementsOfCapitalParentheticalLpCube">
        <link:definition>995202405 - Statement - CONSOLIDATED STATEMENTS OF CAPITAL (Parenthetical) (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/StatementConsolidatedStatementsOfCashFlowsLpCube" id="StatementConsolidatedStatementsOfCashFlowsLpCube">
        <link:definition>995202500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (LP cube)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureOrganizationAndNatureOfOperations" id="DisclosureOrganizationAndNatureOfOperations">
        <link:definition>995210101 - Disclosure - ORGANIZATION AND NATURE OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSummaryOfSignificantAccountingPolicies" id="DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>995210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureStorageProperties" id="DisclosureStorageProperties">
        <link:definition>995210301 - Disclosure - STORAGE PROPERTIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentActivity" id="DisclosureInvestmentActivity">
        <link:definition>995210401 - Disclosure - INVESTMENT ACTIVITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentInUnconsolidatedRealEstateVentures" id="DisclosureInvestmentInUnconsolidatedRealEstateVentures">
        <link:definition>995210501 - Disclosure - INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureOtherAssets" id="DisclosureOtherAssets">
        <link:definition>995210601 - Disclosure - OTHER ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureUnsecuredSeniorNotes" id="DisclosureUnsecuredSeniorNotes">
        <link:definition>995210701 - Disclosure - UNSECURED SENIOR NOTES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRevolvingCreditFacility" id="DisclosureRevolvingCreditFacility">
        <link:definition>995210801 - Disclosure - REVOLVING CREDIT FACILITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureMortgageLoansAndNotesPayable" id="DisclosureMortgageLoansAndNotesPayable">
        <link:definition>995210901 - Disclosure - MORTGAGE LOANS AND NOTES PAYABLE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureAccumulatedOtherComprehensiveLoss" id="DisclosureAccumulatedOtherComprehensiveLoss">
        <link:definition>995211001 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRiskManagementAndUseOfFinancialInstruments" id="DisclosureRiskManagementAndUseOfFinancialInstruments">
        <link:definition>995211101 - Disclosure - RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureFairValueMeasurements" id="DisclosureFairValueMeasurements">
        <link:definition>995211201 - Disclosure - FAIR VALUE MEASUREMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureNoncontrollingInterests" id="DisclosureNoncontrollingInterests">
        <link:definition>995211301 - Disclosure - NONCONTROLLING INTERESTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>995211501 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRelatedPartyTransactions" id="DisclosureRelatedPartyTransactions">
        <link:definition>995211601 - Disclosure - RELATED PARTY TRANSACTIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapital" id="DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapital">
        <link:definition>995211701 - Disclosure - EARNINGS PER SHARE AND UNIT AND SHAREHOLDERS' EQUITY AND CAPITAL</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>995211801 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>99920202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureStoragePropertiesTables" id="DisclosureStoragePropertiesTables">
        <link:definition>99930303 - Disclosure - STORAGE PROPERTIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentActivityTables" id="DisclosureInvestmentActivityTables">
        <link:definition>99930403 - Disclosure - INVESTMENT ACTIVITY (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentInUnconsolidatedRealEstateVentureTables" id="DisclosureInvestmentInUnconsolidatedRealEstateVentureTables">
        <link:definition>99930503 - Disclosure - INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureOtherAssetsTables" id="DisclosureOtherAssetsTables">
        <link:definition>99930603 - Disclosure - OTHER ASSETS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureUnsecuredSeniorNotesTables" id="DisclosureUnsecuredSeniorNotesTables">
        <link:definition>99930703 - Disclosure - UNSECURED SENIOR NOTES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureMortgageLoansAndNotesPayableTables" id="DisclosureMortgageLoansAndNotesPayableTables">
        <link:definition>99930903 - Disclosure - MORTGAGE LOANS AND NOTES PAYABLE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureAccumulatedOtherComprehensiveLossTables" id="DisclosureAccumulatedOtherComprehensiveLossTables">
        <link:definition>99931003 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureFairValueMeasurementsTables" id="DisclosureFairValueMeasurementsTables">
        <link:definition>99931203 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureNoncontrollingInterestsTables" id="DisclosureNoncontrollingInterestsTables">
        <link:definition>99931303 - Disclosure - NONCONTROLLING INTERESTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalTables" id="DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalTables">
        <link:definition>99931703 - Disclosure - EARNINGS PER SHARE AND UNIT AND SHAREHOLDERS' EQUITY AND CAPITAL (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureOrganizationAndNatureOfOperationsDetails" id="DisclosureOrganizationAndNatureOfOperationsDetails">
        <link:definition>99940101 - Disclosure - ORGANIZATION AND NATURE OF OPERATIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureStoragePropertiesSummaryDetails" id="DisclosureStoragePropertiesSummaryDetails">
        <link:definition>99940301 - Disclosure - STORAGE PROPERTIES - Summary (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureStoragePropertiesActivityDetails" id="DisclosureStoragePropertiesActivityDetails">
        <link:definition>99940302 - Disclosure - STORAGE PROPERTIES - Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentActivityDetails" id="DisclosureInvestmentActivityDetails">
        <link:definition>99940401 - Disclosure - INVESTMENT ACTIVITY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureInvestmentsInUnconsolidatedRealEstateVenturesDetails" id="DisclosureInvestmentsInUnconsolidatedRealEstateVenturesDetails">
        <link:definition>99940501 - Disclosure - INVESTMENTS IN UNCONSOLIDATED REAL ESTATE VENTURES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRevolvingCreditFacilityDetails" id="DisclosureRevolvingCreditFacilityDetails">
        <link:definition>99940801 - Disclosure - REVOLVING CREDIT FACILITY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureAccumulatedOtherComprehensiveLossDetails" id="DisclosureAccumulatedOtherComprehensiveLossDetails">
        <link:definition>99941001 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRiskManagementAndUseOfFinancialInstrumentsDetails" id="DisclosureRiskManagementAndUseOfFinancialInstrumentsDetails">
        <link:definition>99941101 - Disclosure - RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureFairValueMeasurementsDetails" id="DisclosureFairValueMeasurementsDetails">
        <link:definition>99941201 - Disclosure - FAIR VALUE MEASUREMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureNoncontrollingInterestsInterestsInConsolidatedRealEstateJointVenturesDetails" id="DisclosureNoncontrollingInterestsInterestsInConsolidatedRealEstateJointVenturesDetails">
        <link:definition>99941301 - Disclosure - NONCONTROLLING INTERESTS - Interests in Consolidated Real Estate Joint Ventures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureNoncontrollingInterestsOperatingPartnershipOwnershipDetails" id="DisclosureNoncontrollingInterestsOperatingPartnershipOwnershipDetails">
        <link:definition>99941302 - Disclosure - NONCONTROLLING INTERESTS - Operating Partnership Ownership (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureCommitmentsAndContingenciesInsuranceRecoveryDetails" id="DisclosureCommitmentsAndContingenciesInsuranceRecoveryDetails">
        <link:definition>99941501 - Disclosure - COMMITMENTS AND CONTINGENCIES - Insurance Recovery (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureRelatedPartyTransactionsDetails" id="DisclosureRelatedPartyTransactionsDetails">
        <link:definition>99941601 - Disclosure - RELATED PARTY TRANSACTIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalCommonSharesDetails" id="DisclosureEarningsPerShareAndUnitAndShareholdersEquityAndCapitalCommonSharesDetails">
        <link:definition>99941703 - Disclosure - EARNINGS PER SHARE AND UNIT AND SHAREHOLDERS' EQUITY AND CAPITAL - Common Shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSubsequentEventsDetails" id="DisclosureSubsequentEventsDetails">
        <link:definition>99941801 - Disclosure - SUBSEQUENT EVENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSegmentInformation" id="DisclosureSegmentInformation">
        <link:definition>995211401 - Disclosure - SEGMENT INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cubesmart.com/role/DisclosureSegmentInformationTables" id="DisclosureSegmentInformationTables">
        <link:definition>99931403 - Disclosure - SEGMENT INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="cube-20260630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="cube-20260630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="cube-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="cube-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="https://xbrl.org/2023/calculation-1.1" schemaLocation="https://www.xbrl.org/2023/calculation-1.1.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2024" schemaLocation="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-sub-2024.xsd" />
  <xsd:element name="TemporaryEquityAxis" id="cube_TemporaryEquityAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryEquityMember" id="cube_TemporaryEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="cube_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNonoperatingIncomeExpenseNet" id="cube_OtherNonoperatingIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest" id="cube_ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TemporaryEquityDomain" id="cube_TemporaryEquityDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingActivitiesProceedsFromDebtAbstract" id="cube_FinancingActivitiesProceedsFromDebtAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingActivitiesPrincipalPaymentsOnDebtAbstract" id="cube_FinancingActivitiesPrincipalPaymentsOnDebtAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsOfMortgageLoansAndNotesPayable" id="cube_PaymentsOfMortgageLoansAndNotesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsToMinorityShareholdersInOperatingPartnership" id="cube_PaymentsToMinorityShareholdersInOperatingPartnership" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SupplementalCashFlowAndNoncashInformationAbstract" id="cube_SupplementalCashFlowAndNoncashInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OrganizationAndNatureOfOperationsDisclosureAbstract" id="cube_OrganizationAndNatureOfOperationsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OrganizationAndConsolidationOfFinancialStatementsDisclosureTextBlock" id="cube_OrganizationAndConsolidationOfFinancialStatementsDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredCreditFacilityAndUnsecuredTermLoansDisclosureAbstract" id="cube_UnsecuredCreditFacilityAndUnsecuredTermLoansDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredCreditFacilityAndUnsecuredTermLoansTextBlock" id="cube_UnsecuredCreditFacilityAndUnsecuredTermLoansTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyTableTextBlock" id="cube_ScheduleOfRealEstateInvestmentPropertyTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationBalanceSheetTableTextBlock" id="cube_EquityMethodInvestmentSummarizedFinancialInformationBalanceSheetTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" id="cube_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockConversionRatio" id="cube_CommonStockConversionRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyTable" id="cube_ScheduleOfRealEstateInvestmentPropertyTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyAxis" id="cube_ScheduleOfRealEstateInvestmentPropertyAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyDomain" id="cube_ScheduleOfRealEstateInvestmentPropertyDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateInvestmentPropertyLineItems" id="cube_RealEstateInvestmentPropertyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesAcquired" id="cube_NumberOfRealEstatePropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSelfStorageFacilities" id="cube_NumberOfSelfStorageFacilities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsByTypeAxis" id="cube_SignificantAcquisitionsAndDisposalsByTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsByTypeDomain" id="cube_SignificantAcquisitionsAndDisposalsByTypeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet" id="cube_EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" id="cube_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityMember" id="cube_CreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio" id="cube_DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantFixedChargeCoverageRatio" id="cube_DebtInstrumentCovenantFixedChargeCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesOwnedAndOperated" id="cube_NumberOfRealEstatePropertiesOwnedAndOperated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountRestrictedUnitsValueIssued" id="cube_PartnersCapitalAccountRestrictedUnitsValueIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountRestrictedUnitsUnitIssued" id="cube_PartnersCapitalAccountRestrictedUnitsUnitIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountOptionUnitExercise" id="cube_PartnersCapitalAccountOptionUnitExercise" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromUnitOptionsExercised" id="cube_ProceedsFromUnitOptionsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfGeneralPartnersUnits" id="cube_ProceedsFromIssuanceOfGeneralPartnersUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareAndStockholdersEquityNoteDisclosureAbstract" id="cube_EarningsPerShareAndStockholdersEquityNoteDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareAndStockholdersEquityNoteDisclosureTextBlock" id="cube_EarningsPerShareAndStockholdersEquityNoteDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredSeniorNotesNet" id="cube_UnsecuredSeniorNotesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnsecuredSeniorNotesDisclosureAbstract" id="cube_UnsecuredSeniorNotesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredSeniorNotesDisclosureTextBlock" id="cube_UnsecuredSeniorNotesDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedLeverageRatio" id="cube_DebtInstrumentCovenantConsolidatedLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatio" id="cube_DebtInstrumentCovenantConsolidatedInterestCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantUnencumberedAssets" id="cube_DebtInstrumentCovenantUnencumberedAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedSecuredLeverageRatio" id="cube_DebtInstrumentCovenantConsolidatedSecuredLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllenTXMember" id="cube_AllenTXMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedOtherComprehensiveIncomeLossRollForward" id="cube_AccumulatedOtherComprehensiveIncomeLossRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax" id="cube_OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForAdditionsAndImprovementsToRealEstate" id="cube_PaymentsForAdditionsAndImprovementsToRealEstate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateInvestmentsRelatedJointVenturesMember" id="cube_RealEstateInvestmentsRelatedJointVenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HHFVentureMember" id="cube_HHFVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccretionOfLiability" id="cube_AccretionOfLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="GainLossOnSaleOfRealEstateProperties" id="cube_GainLossOnSaleOfRealEstateProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredCreditFacilityRevolverMember" id="cube_UnsecuredCreditFacilityRevolverMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionManagementFees" id="cube_RelatedPartyTransactionManagementFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueAdjustmentOfDebt" id="cube_FairValueAdjustmentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest" id="cube_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilitiesUnderConstructionMember" id="cube_SelfStorageFacilitiesUnderConstructionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConstructionCostExpected" id="cube_ConstructionCostExpected" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity" id="cube_OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionAcquisitionFees" id="cube_RelatedPartyTransactionAcquisitionFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfNoncontrollingInterestsInSubsidiariesTableTextBlock" id="cube_ScheduleOfNoncontrollingInterestsInSubsidiariesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.125PercentDue2026Member" id="cube_SeniorNotes3.125PercentDue2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HhfNortheastVentureMember" id="cube_HhfNortheastVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCapitalizedCostsForInvestmentsInStorageProperties" id="cube_ScheduleOfCapitalizedCostsForInvestmentsInStorageProperties" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VenturesMember" id="cube_VenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CubesmartLPAndSubsidiariesMember" id="cube_CubesmartLPAndSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="JointVentureMember" id="cube_JointVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.375PercentDue2029Member" id="cube_SeniorNotes4.375PercentDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CubesmartMember" id="cube_CubesmartMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HVPFourVentureMember" id="cube_HVPFourVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CSValleyForgeVillageStorageMember" id="cube_CSValleyForgeVillageStorageMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.000PercentDue2030Member" id="cube_SeniorNotes3.000PercentDue2030Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerUnitReconciliationAbstract" id="cube_EarningsPerUnitReconciliationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertySelfStorageFacilityUnderDevelopmentNumberOfUnits" id="cube_PropertySelfStorageFacilityUnderDevelopmentNumberOfUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CommitmentsAndContingenciesFutureMilestonePayments" id="cube_CommitmentsAndContingenciesFutureMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociOnDerivativesTerminationPremium" id="cube_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociOnDerivativesTerminationPremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes2.000PercentDue2031Member" id="cube_SeniorNotes2.000PercentDue2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RightOfUseAssetsFinanceLeasesMember" id="cube_RightOfUseAssetsFinanceLeasesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongIslandNewYorkTwoDueJuly2026Member" id="cube_LongIslandNewYorkTwoDueJuly2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongIslandNewYorkThreeDueAugust2026Member" id="cube_LongIslandNewYorkThreeDueAugust2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FlushingNewYorkTwoDueJuly2029Member" id="cube_FlushingNewYorkTwoDueJuly2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CSViennaLlcOneMember" id="cube_CSViennaLlcOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceLeaseNonCashPortionOfInterestExpense" id="cube_FinanceLeaseNonCashPortionOfInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="HvpFiveVentureMember" id="cube_HvpFiveVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SH3LlcMember" id="cube_SH3LlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CSLockUpAnokaLimitedLiabilityCompanyMember" id="cube_CSLockUpAnokaLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeValuationAdjustment" id="cube_DerivativeValuationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes2.500PercentDue2032Member" id="cube_SeniorNotes2.500PercentDue2032Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes2.250PercentDue2028Member" id="cube_SeniorNotes2.250PercentDue2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FontanaSelfStorageLlcMember" id="cube_FontanaSelfStorageLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RanchoCucamongaSelfStorageLlcMember" id="cube_RanchoCucamongaSelfStorageLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AstoriaInvestorsLlcMember" id="cube_AstoriaInvestorsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GroundLeaseIncomeRelatedParty" id="cube_GroundLeaseIncomeRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OneThousandSeventyFourRaritanRoadLlcMember" id="cube_OneThousandSeventyFourRaritanRoadLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OperatingPartnershipMember" id="cube_OperatingPartnershipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThreeHundredAndFiftyMainStreetLlcMember" id="cube_ThreeHundredAndFiftyMainStreetLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RelatedPartyLeaseAgreementsMember" id="cube_RelatedPartyLeaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewRochelleInvestorsLlcMember" id="cube_NewRochelleInvestorsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfFacilitiesConstructionCompletedAndOpenedForOperation" id="cube_NumberOfFacilitiesConstructionCompletedAndOpenedForOperation" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfJointVenturesInvolvedInCompletionOfConstructionAndOpenedForOperationOfStores" id="cube_NumberOfJointVenturesInvolvedInCompletionOfConstructionAndOpenedForOperationOfStores" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RealEstateInvestmentPropertyConstructionCostsCapitalized" id="cube_RealEstateInvestmentPropertyConstructionCostsCapitalized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SelfStorageSegmentMember" id="cube_SelfStorageSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SignificantSegmentLevelExpenseIncomeAbstract" id="cube_SignificantSegmentLevelExpenseIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CostOfPropertyUtilities" id="cube_CostOfPropertyUtilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HinesCapitalMember" id="cube_HinesCapitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfConsolidatedJointVenturesInPortfolio" id="cube_NumberOfConsolidatedJointVenturesInPortfolio" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfRealEstatePropertiesOwned" id="cube_NumberOfRealEstatePropertiesOwned" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="VariableInterestEntityInterestAcquiredPercentage" id="cube_VariableInterestEntityInterestAcquiredPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="VariableInterestEntityPreviouslyAcquiredInterestPercentage" id="cube_VariableInterestEntityPreviouslyAcquiredInterestPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NoteReceivableInterestRateStatedPercentage" id="cube_NoteReceivableInterestRateStatedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalSettlementOfEquityCompensation" id="cube_AdjustmentsToAdditionalPaidInCapitalSettlementOfEquityCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PartnersCapitalAccountSettlementOfEquityCompensation" id="cube_PartnersCapitalAccountSettlementOfEquityCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RealEstateAcquisitions2025Member" id="cube_RealEstateAcquisitions2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes5.125PercentDue2035Member" id="cube_SeniorNotes5.125PercentDue2035Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherAssetsTable" id="cube_OtherAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherAssetsLineItems" id="cube_OtherAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ArizonaAssetsNovember2025Member" id="cube_ArizonaAssetsNovember2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FloridaAssetDecember2025Member" id="cube_FloridaAssetDecember2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SelfStorageFacilityInPortChesterNewYorkMember" id="cube_SelfStorageFacilityInPortChesterNewYorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsForRedemptionOfOperatingPartnershipUnits" id="cube_PaymentsForRedemptionOfOperatingPartnershipUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArizonaAndFloridaAssetsMember" id="cube_ArizonaAndFloridaAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PartnersCapitalAccountRepurchases" id="cube_PartnersCapitalAccountRepurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PartnersCapitalAccountUnitsRepurchased" id="cube_PartnersCapitalAccountUnitsRepurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PaymentsForRepurchaseOfOperatingPartnershipUnits" id="cube_PaymentsForRepurchaseOfOperatingPartnershipUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PartnersCapitalAccountUnitsRedeemedForCash" id="cube_PartnersCapitalAccountUnitsRedeemedForCash" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SelfStorageFacilityInNewRochelleNewYorkMember" id="cube_SelfStorageFacilityInNewRochelleNewYorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CbprStorageVentureMember" id="cube_CbprStorageVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Cs114KensicoAvenueLlcMember" id="cube_Cs114KensicoAvenueLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfWhollyOwnedStoresAgreeToContribute" id="cube_NumberOfWhollyOwnedStoresAgreeToContribute" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AffiliatesOfHeitmanCapitalManagementMember" id="cube_AffiliatesOfHeitmanCapitalManagementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ContributionOfStoresToJointVentureAmount" id="cube_ContributionOfStoresToJointVentureAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PercentageOfOwnershipInterestInJointVenture" id="cube_PercentageOfOwnershipInterestInJointVenture" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
