<?xml version="1.0"?>
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    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001970921</cik>
        <entityName>Leste Real Estate IOS Fund LP</entityName>
        <issuerAddress>
            <street1>1450 BRICKELL AVENUE, SUITE 2600</street1>
            <city>MIAMI</city>
            <stateOrCountry>FL</stateOrCountry>
            <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
            <zipCode>33131</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>212-284-7660</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2022</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephan</firstName>
                <middleName>Renaux Chamagne</middleName>
                <lastName>de Sabrit</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>781 CRANDON BLVD APT 1002</street1>
                <city>KEY BISCAYNE</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33149-2546</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joshua</firstName>
                <middleName>Max</middleName>
                <lastName>Patinkin</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2958 Bird Avenue</street1>
                <city>Miami</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33133</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Alessandra</firstName>
                <middleName>Augusta de Lima Gomes da Silva</middleName>
                <lastName>Souza</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>RUA APERANA 77, apt. 101, Leblon</street1>
                <city>Rio de Janeiro</city>
                <stateOrCountry>D5</stateOrCountry>
                <stateOrCountryDescription>BRAZIL</stateOrCountryDescription>
                <zipCode>22450-190</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Taina</firstName>
                <middleName>Hutten</middleName>
                <lastName>de Camargo</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>RUA PERI 349, JARDIM BOTANICO</street1>
                <city>Rio de Janeiro</city>
                <stateOrCountry>D5</stateOrCountry>
                <stateOrCountryDescription>BRAZIL</stateOrCountryDescription>
                <zipCode>22460-100</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Marcelo</firstName>
                <middleName>Camarao</middleName>
                <lastName>Ganem</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>RUA BELFORT ROXO 20, apt 202, Copacabana</street1>
                <city>Rio de Janeiro</city>
                <stateOrCountry>D5</stateOrCountry>
                <stateOrCountryDescription>BRAZIL</stateOrCountryDescription>
                <zipCode>22020-010</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joseph</firstName>
                <middleName>Elias</middleName>
                <lastName>Reigadas</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1250 S Miami Ave</street1>
                <street2>Apt 1901</street2>
                <city>Miami</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33130</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Emmanuel</firstName>
                <middleName>Rose</middleName>
                <lastName>Hermann</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>139 Rosales Ct</street1>
                <city>Coral Gables</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33143-6547</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Real Estate</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1,000,001 - $5,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.1</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2022-09-12</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>75000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>20000000</totalOfferingAmount>
            <totalAmountSold>1486040</totalAmountSold>
            <totalRemaining>18513960</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>5</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>The investment manager is entitled to receive a management fee as more fully described in the Issuer's offering materials.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Leste Real Estate IOS Fund LP</issuerName>
                <signatureName>/s/ Joseph Reigadas</signatureName>
                <nameOfSigner>Joseph Reigadas</nameOfSigner>
                <signatureTitle>Chief Compliance Officer of Investment Advisor</signatureTitle>
                <signatureDate>2023-03-29</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
