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

    <schemaVersion>X0706</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001586539</cik>
        <entityName>Brook Bay Secondaries Fund LP</entityName>
        <issuerAddress>
            <street1>LE MASURIER HOUSE, LA RUE LE MASURIER</street1>
            <city>ST HELIER</city>
            <stateOrCountry>Y9</stateOrCountry>
            <stateOrCountryDescription>JERSEY</stateOrCountryDescription>
            <zipCode>JE2 4YE</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>44-0-1534-714201</issuerPhoneNumber>
        <jurisdictionOfInc>JERSEY</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2012</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName>Michael</middleName>
                <lastName>Boleat</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Fauvic House</street1>
                <street2>La Rue de Fauvic</street2>
                <city>Grouville</city>
                <stateOrCountry>Y9</stateOrCountry>
                <stateOrCountryDescription>JERSEY</stateOrCountryDescription>
                <zipCode>JE3 9BQ</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Brook Bay General Partner Ltd which also acts as general partner to the issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joost</firstName>
                <middleName>Cornelis</middleName>
                <lastName>Wissink</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Nieuw Loosdrechtsedijk</street1>
                <city>Loosdrecht</city>
                <stateOrCountry>P7</stateOrCountry>
                <stateOrCountryDescription>NETHERLANDS</stateOrCountryDescription>
                <zipCode>1231 LH</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>George</firstName>
                <middleName>Sharon</middleName>
                <lastName>Loraine</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>La Bise</street1>
                <street2>La Rue des Platons</street2>
                <city>Trinity</city>
                <stateOrCountry>Y9</stateOrCountry>
                <stateOrCountryDescription>JERSEY</stateOrCountryDescription>
                <zipCode>JE3 5AA</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Private Equity Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.1</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2013-09-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>100000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Wissink Consulting Group</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Growth Capital Services</associatedBDName>
                <associatedBDCRDNumber>124658</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>582 MARKET STREET</street1>
                    <street2>SUITE 300</street2>
                    <city>SAN FRANCISCO</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>94104</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>250000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>15000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Estimate is based on entitlement  of 20% of management fee and performance fees.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>The fund charges a management fee that is described in the fund's offering documents.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Brook Bay Secondaries Fund LP</issuerName>
                <signatureName>/s/ Richard Boleat</signatureName>
                <nameOfSigner>Richard Boleat</nameOfSigner>
                <signatureTitle>Director, Brook Bay General Partner Limited</signatureTitle>
                <signatureDate>2013-09-13</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
