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    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="RelatedPartyDomain" xlink:title="presentation: RelatedPartyTransactionsByRelatedPartyAxis to RelatedPartyDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfFinancialPositionLocationActivityCapitalizationAxis" xlink:label="StatementOfFinancialPositionLocationActivityCapitalizationAxis" xlink:title="StatementOfFinancialPositionLocationActivityCapitalizationAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfFinancialPositionLocationActivityCapitalizationDomain" xlink:label="StatementOfFinancialPositionLocationActivityCapitalizationDomain" xlink:title="StatementOfFinancialPositionLocationActivityCapitalizationDomain" />
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    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionLocationActivityCapitalizationDomain" xlink:to="VesselsMember" xlink:title="presentation: StatementOfFinancialPositionLocationActivityCapitalizationDomain to VesselsMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionLocationActivityCapitalizationAxis" xlink:to="StatementOfFinancialPositionLocationActivityCapitalizationDomain" xlink:title="presentation: StatementOfFinancialPositionLocationActivityCapitalizationAxis to StatementOfFinancialPositionLocationActivityCapitalizationDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis" xlink:label="CounterpartyNameAxis" xlink:title="CounterpartyNameAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="RepurchaseAgreementCounterpartyNameDomain" xlink:title="RepurchaseAgreementCounterpartyNameDomain" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_PavimarShippingCompanyMember" xlink:label="PavimarShippingCompanyMember" xlink:title="PavimarShippingCompanyMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RepurchaseAgreementCounterpartyNameDomain" xlink:to="PavimarShippingCompanyMember" xlink:title="presentation: RepurchaseAgreementCounterpartyNameDomain to PavimarShippingCompanyMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CounterpartyNameAxis" xlink:to="RepurchaseAgreementCounterpartyNameDomain" xlink:title="presentation: CounterpartyNameAxis to RepurchaseAgreementCounterpartyNameDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="CounterpartyNameAxis" xlink:title="presentation: ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to CounterpartyNameAxis" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="RelatedPartyTransactionAxis" xlink:title="RelatedPartyTransactionAxis" />
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    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_ShipManagementAgreementMember" xlink:label="ShipManagementAgreementMember" xlink:title="ShipManagementAgreementMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionDomain" xlink:to="ShipManagementAgreementMember" xlink:title="presentation: RelatedPartyTransactionDomain to ShipManagementAgreementMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_MasterManagementAgreementMember" xlink:label="MasterManagementAgreementMember" xlink:title="MasterManagementAgreementMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionDomain" xlink:to="MasterManagementAgreementMember" xlink:title="presentation: RelatedPartyTransactionDomain to MasterManagementAgreementMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionAxis" xlink:to="RelatedPartyTransactionDomain" xlink:title="presentation: RelatedPartyTransactionAxis to RelatedPartyTransactionDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="RelatedPartyTransactionAxis" xlink:title="presentation: ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to RelatedPartyTransactionAxis" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="RelatedPartyTransactionLineItems" xlink:title="RelatedPartyTransactionLineItems" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_TransactionsWithRelatedPartyAbstract" xlink:label="TransactionsWithRelatedPartyAbstract" xlink:title="TransactionsWithRelatedPartyAbstract" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionQuarterlyFee" xlink:label="RelatedPartyTransactionQuarterlyFee" xlink:title="RelatedPartyTransactionQuarterlyFee" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionQuarterlyFee" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionQuarterlyFee" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionQuarterlyGroupFeeAmount" xlink:label="RelatedPartyTransactionQuarterlyGroupFeeAmount" xlink:title="RelatedPartyTransactionQuarterlyGroupFeeAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionQuarterlyGroupFeeAmount" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionQuarterlyGroupFeeAmount" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionCapitalRaisingCommissionRate" xlink:label="RelatedPartyTransactionCapitalRaisingCommissionRate" xlink:title="RelatedPartyTransactionCapitalRaisingCommissionRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionCapitalRaisingCommissionRate" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionCapitalRaisingCommissionRate" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionAdministrationFeeRate" xlink:label="RelatedPartyTransactionAdministrationFeeRate" xlink:title="RelatedPartyTransactionAdministrationFeeRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionAdministrationFeeRate" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionAdministrationFeeRate" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionContingentFeeRate" xlink:label="RelatedPartyTransactionContingentFeeRate" xlink:title="RelatedPartyTransactionContingentFeeRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionContingentFeeRate" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionContingentFeeRate" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionFixedDailyFeePerVessel" xlink:label="RelatedPartyTransactionFixedDailyFeePerVessel" xlink:title="RelatedPartyTransactionFixedDailyFeePerVessel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionFixedDailyFeePerVessel" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionFixedDailyFeePerVessel" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionManagementPerformanceIncentiveRate" xlink:label="RelatedPartyTransactionManagementPerformanceIncentiveRate" xlink:title="RelatedPartyTransactionManagementPerformanceIncentiveRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionManagementPerformanceIncentiveRate" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionManagementPerformanceIncentiveRate" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionCommissionRateOnGrossSaleOrPurchasePriceOfVessel" xlink:label="RelatedPartyTransactionCommissionRateOnGrossSaleOrPurchasePriceOfVessel" xlink:title="RelatedPartyTransactionCommissionRateOnGrossSaleOrPurchasePriceOfVessel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionCommissionRateOnGrossSaleOrPurchasePriceOfVessel" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionCommissionRateOnGrossSaleOrPurchasePriceOfVessel" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_TermOfAgreement" xlink:label="TermOfAgreement" xlink:title="TermOfAgreement" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="TermOfAgreement" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to TermOfAgreement" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionManagementFees" xlink:label="RelatedPartyTransactionManagementFees" xlink:title="RelatedPartyTransactionManagementFees" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="RelatedPartyTransactionManagementFees" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to RelatedPartyTransactionManagementFees" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_RelatedPartyTransactionManagementPerformanceIncentiveFee" xlink:label="RelatedPartyTransactionManagementPerformanceIncentiveFee" xlink:title="RelatedPartyTransactionManagementPerformanceIncentiveFee" />
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    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_CorporateServiceFee" xlink:label="CorporateServiceFee" xlink:title="CorporateServiceFee" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="CorporateServiceFee" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to CorporateServiceFee" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_CapitalRaisingCommissionExpenses" xlink:label="CapitalRaisingCommissionExpenses" xlink:title="CapitalRaisingCommissionExpenses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="CapitalRaisingCommissionExpenses" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to CapitalRaisingCommissionExpenses" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="OtherReceivablesNetCurrent" xlink:title="OtherReceivablesNetCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="OtherReceivablesNetCurrent" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to OtherReceivablesNetCurrent" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="OtherLiabilitiesCurrent" xlink:title="OtherLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransactionsWithRelatedPartyAbstract" xlink:to="OtherLiabilitiesCurrent" xlink:title="presentation: TransactionsWithRelatedPartyAbstract to OtherLiabilitiesCurrent" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionLineItems" xlink:to="TransactionsWithRelatedPartyAbstract" xlink:title="presentation: RelatedPartyTransactionLineItems to TransactionsWithRelatedPartyAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="RelatedPartyTransactionLineItems" xlink:title="presentation: ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to RelatedPartyTransactionLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="presentation: RelatedPartyTransactionsAbstract to ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://icon-nrg.com/role/TransactionsWithRelatedPartiesAtlantisHoldingCorpDetails">
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain" xlink:label="RelatedPartyDomain" xlink:title="RelatedPartyDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyMember" xlink:label="RelatedPartyMember" xlink:title="RelatedPartyMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyDomain" xlink:to="RelatedPartyMember" xlink:title="presentation: RelatedPartyDomain to RelatedPartyMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="RelatedPartyDomain" xlink:title="presentation: RelatedPartyTransactionsByRelatedPartyAxis to RelatedPartyDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="presentation: ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to RelatedPartyTransactionsByRelatedPartyAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis" xlink:label="CounterpartyNameAxis" xlink:title="CounterpartyNameAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="RepurchaseAgreementCounterpartyNameDomain" xlink:title="RepurchaseAgreementCounterpartyNameDomain" />
    <link:loc xlink:type="locator" xlink:href="icon-20260630.xsd#icon_AtlantisHoldingCorporationMember" xlink:label="AtlantisHoldingCorporationMember" xlink:title="AtlantisHoldingCorporationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RepurchaseAgreementCounterpartyNameDomain" xlink:to="AtlantisHoldingCorporationMember" xlink:title="presentation: RepurchaseAgreementCounterpartyNameDomain to AtlantisHoldingCorporationMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CounterpartyNameAxis" xlink:to="RepurchaseAgreementCounterpartyNameDomain" xlink:title="presentation: CounterpartyNameAxis to RepurchaseAgreementCounterpartyNameDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="CounterpartyNameAxis" xlink:title="presentation: ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to CounterpartyNameAxis" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
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