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

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001454088</cik>
        <entityName>CASTLE PARTNERS, L.P.</entityName>
        <issuerAddress>
            <street1>202 OAK AVENUE, SUITE 550</street1>
            <city>HOOD RIVER</city>
            <stateOrCountry>OR</stateOrCountry>
            <stateOrCountryDescription>OREGON</stateOrCountryDescription>
            <zipCode>97031</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>1-877-466-4476</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>CASTLE PARTNERS LP</previousName>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>CASTLE ADVISERS, LLC</firstName>
                <lastName>CASTLE ADVISERS, LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 OAK AVENUE, SUITE 550</street1>
                <city>HOOD RIVER</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97031</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>GENERAL PARTNER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>AJ</firstName>
                <lastName>KITT</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 OAK AVENUE, SUITE 550</street1>
                <city>HOOD RIVER</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97031</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>MANAGER AND MEMBER OF GENERAL PARTNER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JON</firstName>
                <middleName>W.</middleName>
                <lastName>BRODEUR</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 OAK AVENUE, SUITE 550</street1>
                <city>HOOD RIVER</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97031</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>MANAGER AND MEMBER OF GENERAL PARTNER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>SCOTT</firstName>
                <middleName>J.</middleName>
                <lastName>BAKLENKO</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3854 29TH AVENUE W</street1>
                <city>SEATTLE</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98199</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>MEMBER OF GENERAL PARTNER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>GREGORY</firstName>
                <middleName>JOHN</middleName>
                <lastName>BOUDREAU</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 OAK AVENUE, SUITE 550</street1>
                <city>HOOD RIVER</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97031</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>MEMBER OF GENERAL PARTNER</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001454088-09-000005</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-12-18</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>50000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>3733199</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>9</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>23</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>119206</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>GENERAL PARTNER RECEIVES A 2% MANAGEMENT FEE AND A 20% PERFORMANCE ALLOCATION.  MANAGEMENT FEE FROM INCEPTION THROUGH THE END OF 2010 IS ESTIMATED ABOVE.  TO DATE, NO PERFORMANCE ALLOCATION HAS BEEN PAID.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>CASTLE PARTNERS, L.P.</issuerName>
                <signatureName>/s/ JON W. BRODEUR</signatureName>
                <nameOfSigner>JON W. BRODEUR</nameOfSigner>
                <signatureTitle>MANAGER OF CASTLE ADVISERS, LLC, GENERAL PARTNER</signatureTitle>
                <signatureDate>2010-11-05</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
