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  <xs:element name="June2022AlphaBankLoanFacilityMember" id="ship_June2022AlphaBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="February2025PiraeusBankLoanFacilityMember" id="ship_February2025PiraeusBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="June2022PiraeusBankLoanFacilityMember" id="ship_June2022PiraeusBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoanAgreementDatedAugust092021Member" id="ship_LoanAgreementDatedAugust092021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="October2022DanishShipFinanceLoanFacilityMember" id="ship_October2022DanishShipFinanceLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2025DanishShipFinanceLoanFacilityMember" id="ship_December2025DanishShipFinanceLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RestrictedDepositsPledgedAsCollateral" id="ship_RestrictedDepositsPledgedAsCollateral" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="October2024AlphaBankLoanFacilityMember" id="ship_October2024AlphaBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MinimumLiquidityRequirementsForCreditFacilitiesCovenants" id="ship_MinimumLiquidityRequirementsForCreditFacilitiesCovenants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="DebtModificationsAndExtinguishmentsPolicyPolicyTextBlock" id="ship_DebtModificationsAndExtinguishmentsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="SeanergyMaritimeHoldingsCorp2011EquityIncentivePlanMember" id="ship_SeanergyMaritimeHoldingsCorp2011EquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="PeriodAfterSigningBareboatCharterAgreementToPayAdditionalDownPayment" id="ship_PeriodAfterSigningBareboatCharterAgreementToPayAdditionalDownPayment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EuropeanUnionEmissionsTradingSystemEmissionsAllowancesObligations" id="ship_EuropeanUnionEmissionsTradingSystemEmissionsAllowancesObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
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  <xs:element name="StatutoryTaxExemptionOnUnitedStatesSourceIncomeMember" id="ship_StatutoryTaxExemptionOnUnitedStatesSourceIncomeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="UnamortizedDeferredDryDockingCosts" id="ship_UnamortizedDeferredDryDockingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
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  <xs:element name="PropertyPlantAndEquipmentScrapValue" id="ship_PropertyPlantAndEquipmentScrapValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="MinimumPercentageOfDaysStockOwnedDuringTaxableYearUnderOverrideRule" id="ship_MinimumPercentageOfDaysStockOwnedDuringTaxableYearUnderOverrideRule" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumStockOwnershipPercentageForIndividualUnderOverrideRule" id="ship_MinimumStockOwnershipPercentageForIndividualUnderOverrideRule" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumStockOwnershipPercentageUnderOwnershipTest" id="ship_MinimumStockOwnershipPercentageUnderOwnershipTest" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumStockOwnershipPercentageUnderOverrideRule" id="ship_MinimumStockOwnershipPercentageUnderOverrideRule" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="CapitalizedExpendituresForImprovementsOnVesselsPerformanceAndMeetingEnvironmentalStandardsMember" id="ship_CapitalizedExpendituresForImprovementsOnVesselsPerformanceAndMeetingEnvironmentalStandardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="LesseeOperatingLeaseNumberOfExtensions" id="ship_LesseeOperatingLeaseNumberOfExtensions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="AdvancesForVesselAcquisitions" id="ship_AdvancesForVesselAcquisitions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="DebtInstrumentRedemptionLastSixteenInstallmentsMember" id="ship_DebtInstrumentRedemptionLastSixteenInstallmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SinopacLoanFacilityMember" id="ship_SinopacLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentRedemptionFirstFourInstallmentsMember" id="ship_DebtInstrumentRedemptionFirstFourInstallmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="PreferredStockVotingRightsNumberOfVotesPerShare" id="ship_PreferredStockVotingRightsNumberOfVotesPerShare" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AdjustmentsToAdditionalPaidInCapitalWarrantRepurchased" id="ship_AdjustmentsToAdditionalPaidInCapitalWarrantRepurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="StockIssuedDuringPeriodSharesAtTheMarketOffering" id="ship_StockIssuedDuringPeriodSharesAtTheMarketOffering" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="StockIssuedDuringPeriodValueAtTheMarketOffering" id="ship_StockIssuedDuringPeriodValueAtTheMarketOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
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  <xs:element name="NumberOfVesselsServingAsCollateral" id="ship_NumberOfVesselsServingAsCollateral" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="VesselRevenueAndVoyageExpensesAbstract" id="ship_VesselRevenueAndVoyageExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="VesselRevenueAndVoyageExpensesTextBlock" id="ship_VesselRevenueAndVoyageExpensesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SaleAndLeasebackTransactionAbstract" id="ship_SaleAndLeasebackTransactionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AvicHellasshipSaleAndLeasebackMember" id="ship_AvicHellasshipSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="AvicPatriotshipSaleAndLeasebackMember" id="ship_AvicPatriotshipSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetCurrent" id="ship_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetNoncurrent" id="ship_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="ClassOfWarrantOrRightRepurchases" id="ship_ClassOfWarrantOrRightRepurchases" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="ClassOfWarrantOrRightTenderOfferPrice" id="ship_ClassOfWarrantOrRightTenderOfferPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ClassEWarrantsMember" id="ship_ClassEWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AmortizationOfDebtIssuanceCostsAndDebtDiscountsThirdParty" id="ship_AmortizationOfDebtIssuanceCostsAndDebtDiscountsThirdParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AmortizationOfDebtIssuanceCostsAndDebtDiscountsSharesIssuedToThirdParty" id="ship_AmortizationOfDebtIssuanceCostsAndDebtDiscountsSharesIssuedToThirdParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
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  <xs:element name="DebtInstrumentSecurityCoverRatio" id="ship_DebtInstrumentSecurityCoverRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="SaleLeasebackAgreementPurchasePriceOfVessel" id="ship_SaleLeasebackAgreementPurchasePriceOfVessel" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
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  <xs:element name="DebtInstrumentRedemptionFirstSixInstallmentsMember" id="ship_DebtInstrumentRedemptionFirstSixInstallmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentRedemptionLastFourteenInstallmentsMember" id="ship_DebtInstrumentRedemptionLastFourteenInstallmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentMinimumLiquidityRequirement" id="ship_DebtInstrumentMinimumLiquidityRequirement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
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  <xs:element name="PledgedAmountOfJune2022AlphaBankLoanFacilityMember" id="ship_PledgedAmountOfJune2022AlphaBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentRedemptionNextTwelveInstallmentsMember" id="ship_DebtInstrumentRedemptionNextTwelveInstallmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="HuarongPatriotshipSaleAndLeasebackAgreementMember" id="ship_HuarongPatriotshipSaleAndLeasebackAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="SquireshipHuarongSaleAndLeasebackAgreementMember" id="ship_SquireshipHuarongSaleAndLeasebackAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="KnightOceanNavigationCoMember" id="ship_KnightOceanNavigationCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="EmperorHoldingLtdMember" id="ship_EmperorHoldingLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="FriendOceanNavigationCoMember" id="ship_FriendOceanNavigationCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="HellasOceanNavigationCoMember" id="ship_HellasOceanNavigationCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PembrokeCharteringServicesLimitedMember" id="ship_PembrokeCharteringServicesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TitanOceanNavigationCoMember" id="ship_TitanOceanNavigationCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="DukeShippingCoMember" id="ship_DukeShippingCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SubsidiariesInConsolidationAbstract" id="ship_SubsidiariesInConsolidationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DateOfSaleDisposal" id="ship_DateOfSaleDisposal" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="FellowShippingCoMember" id="ship_FellowShippingCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="AwardedMarch272023Member" id="ship_AwardedMarch272023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AwardedMarch272024Member" id="ship_AwardedMarch272024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="RightOfFirstRefusalAgreementMember" id="ship_RightOfFirstRefusalAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinancingReceivableInterestRate" id="ship_FinancingReceivableInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="AdditionalPercentagePaymentForDifferenceBetweenMarketPriceAndFloorPrice" id="ship_AdditionalPercentagePaymentForDifferenceBetweenMarketPriceAndFloorPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SaleLeasebackTransactionImpliedInterestRate" id="ship_SaleLeasebackTransactionImpliedInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="FlagshipCargillSaleAndLeasebackMember" id="ship_FlagshipCargillSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="AvicIconshipSaleAndLeasebackMember" id="ship_AvicIconshipSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ChugokuBankSaleAndLeasebackMember" id="ship_ChugokuBankSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MVPartnershipMember" id="ship_MVPartnershipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="HuarongHellasshipSaleAndLeasebackAgreementMember" id="ship_HuarongHellasshipSaleAndLeasebackAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CMBFLSaleAndLeasebackMember" id="ship_CMBFLSaleAndLeasebackMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="August2021AlphaBankLoanFacilityTrancheAMember" id="ship_August2021AlphaBankLoanFacilityTrancheAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="August2021AlphaBankLoanFacilityTrancheBMember" id="ship_August2021AlphaBankLoanFacilityTrancheBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="HuarongIconshipSaleAndLeasebackAgreementMember" id="ship_HuarongIconshipSaleAndLeasebackAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="O2023Q3DividendsMember" id="ship_O2023Q3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="December2023RepurchasePlanMember" id="ship_December2023RepurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2025DanishShipFinanceLoanFacilityTrancheBMember" id="ship_December2025DanishShipFinanceLoanFacilityTrancheBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2025DanishShipFinanceLoanFacilityTrancheAMember" id="ship_December2025DanishShipFinanceLoanFacilityTrancheAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2025DanishShipFinanceLoanFacilityTrancheDMember" id="ship_December2025DanishShipFinanceLoanFacilityTrancheDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2025DanishShipFinanceLoanFacilityTrancheEMember" id="ship_December2025DanishShipFinanceLoanFacilityTrancheEMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="DebtInstrumentSecurityCoverRatioAfterSecondAnniversaryOfFacilitySUtilizationDateUntilMaturity" id="ship_DebtInstrumentSecurityCoverRatioAfterSecondAnniversaryOfFacilitySUtilizationDateUntilMaturity" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="December2025DanishShipFinanceLoanFacilityTrancheCMember" id="ship_December2025DanishShipFinanceLoanFacilityTrancheCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="DebtInstrumentSecurityCoverRatioUntilSecondAnniversaryOfFacilitySUtilizationDate" id="ship_DebtInstrumentSecurityCoverRatioUntilSecondAnniversaryOfFacilitySUtilizationDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="FriendshipHuarongSaleAndLeasebackAgreementMember" id="ship_FriendshipHuarongSaleAndLeasebackAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="December2022AlphaBankLoanFacilityMember" id="ship_December2022AlphaBankLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="TimeCharterMember" id="ship_TimeCharterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SpotCharterMember" id="ship_SpotCharterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomersAccountingForMoreThan10PercentOfRevenuesMember" id="ship_CustomersAccountingForMoreThan10PercentOfRevenuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomerAMember" id="ship_CustomerAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomerCMember" id="ship_CustomerCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomerDMember" id="ship_CustomerDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomerBMember" id="ship_CustomerBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CustomerEMember" id="ship_CustomerEMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
</xs:schema>
