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

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001486239</cik>
        <entityName>APM - Equity Long Short Fund, Ltd.</entityName>
        <issuerAddress>
            <street1>1200 PROSPECT STREET STE 400</street1>
            <city>LA JOLLA</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>92037</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>8588758725</issuerPhoneNumber>
        <jurisdictionOfInc>CAYMAN ISLANDS</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>none</firstName>
                <lastName>Altegris Portfolio Management Inc.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1200 Prospect Street Ste 400</street1>
                <city>La Jolla</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>92037</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Sponsor</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jon</firstName>
                <middleName>C</middleName>
                <lastName>Sundt</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1200 Prospect Street Ste 400</street1>
                <city>La Jolla</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>92037</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <middleName>J</middleName>
                <lastName>Amedeo</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1202 Bergen Parkway Ste 212</street1>
                <city>Evergreen</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80439</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Matthew</firstName>
                <middleName>C</middleName>
                <lastName>Osborne</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1200 Prospect Street Ste 400</street1>
                <city>La Jolla</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>92037</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName>G</middleName>
                <lastName>Pfister</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1200 Prospect Street Ste 400</street1>
                <city>La Jolla</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>92037</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>$1 - $5,000,000</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001486239-10-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-04-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Redeemable Voting Participating Shares</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>100000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>more than 5</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Altegris Investments, Inc</associatedBDName>
                <associatedBDCRDNumber>8258</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1200 Prospect Street Ste 400</street1>
                    <city>La Jolla</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>92037</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>more than 5</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Capital Guardian, LLC</associatedBDName>
                <associatedBDCRDNumber>137919</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>420 Park St., Ste 100</street1>
                    <city>Belmont</city>
                    <stateOrCountry>NC</stateOrCountry>
                    <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                    <zipCode>28012</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>more than 5</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Commonwealth Financial Network</associatedBDName>
                <associatedBDCRDNumber>8032</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>29 Sawyer Rd</street1>
                    <city>Waltham</city>
                    <stateOrCountry>MA</stateOrCountry>
                    <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                    <zipCode>02453</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>more than 5</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Hightower Securities, LLC</associatedBDName>
                <associatedBDCRDNumber>116681</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>525 W. Monroe St. Ste 2300</street1>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60661</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>more than 5</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>MCL Financial Group, Inc.</associatedBDName>
                <associatedBDCRDNumber>41180</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1851 East First St., Ste 150</street1>
                    <city>Santa Ana</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>92705</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>2231000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>8</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>APM - Equity Long Short Fund, Ltd.</issuerName>
                <signatureName>Robert J. Amedeo</signatureName>
                <nameOfSigner>Robert J. Amedeo</nameOfSigner>
                <signatureTitle>Director of Issuer</signatureTitle>
                <signatureDate>2011-03-28</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
