<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002107613</cik>
        <entityName>CPG at San Marcos Holdings LLC</entityName>
        <issuerAddress>
            <street1>19495 BISCAYNE BOULEVARD</street1>
            <street2>SUITE 400</street2>
            <city>AVENTURA</city>
            <stateOrCountry>FL</stateOrCountry>
            <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
            <zipCode>33180</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>954-456-2525</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2025</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Aldo</firstName>
                <lastName>Facchi</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>19495 Biscayne Boulevard</street1>
                <street2>Suite 400</street2>
                <city>Aventura</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33180</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of manager of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Aldo</firstName>
                <middleName>A</middleName>
                <lastName>Facchi</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>19495 Biscayne Boulevard</street1>
                <street2>Suite 400</street2>
                <city>Aventura</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33180</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of manager of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>NA</firstName>
                <lastName>CPG at San Marcos Holdings Manager LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>19495 Biscayne Boulevard</street1>
                <street2>Suite 400</street2>
                <city>Aventura</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33180</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ernest</firstName>
                <middleName>Haiat</middleName>
                <lastName>Khabie</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Ave Paseo de la Reforma No. 2620 In 1403</street1>
                <street2>Ed Reforma Plus Colonia Lomas Altas CP</street2>
                <city>Alcaldia Miguel Hidalgo</city>
                <stateOrCountry>O5</stateOrCountry>
                <stateOrCountryDescription>MEXICO</stateOrCountryDescription>
                <zipCode>11950</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of manager of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ramon</firstName>
                <middleName>Amezcua</middleName>
                <lastName>Hassey</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Ave Paseo de la Reforma No. 2620 In 1403</street1>
                <street2>Ed Reforma Plus Colonia Lomas Altas CP</street2>
                <city>Alcaldia Miguel Hidalgo</city>
                <stateOrCountry>O5</stateOrCountry>
                <stateOrCountryDescription>MEXICO</stateOrCountryDescription>
                <zipCode>11950</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of manager of Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Commercial</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.1</item>
            <item>3C.5</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2026-01-06</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>17197211</totalOfferingAmount>
            <totalAmountSold>17197211</totalAmountSold>
            <totalRemaining>0</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>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>CPG at San Marcos Holdings LLC</issuerName>
                <signatureName>Aldo Facchi</signatureName>
                <nameOfSigner>Aldo Facchi</nameOfSigner>
                <signatureTitle>Manager of manager of Issuer</signatureTitle>
                <signatureDate>2026-01-27</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
