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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000902664-10-001458.txt : 20100305
<SEC-HEADER>0000902664-10-001458.hdr.sgml : 20100305
<ACCEPTANCE-DATETIME>20100305120744
ACCESSION NUMBER:		0000902664-10-001458
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20100305
DATE AS OF CHANGE:		20100305
EFFECTIVENESS DATE:		20100305

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Crestline Opportunity Partners, L.P.
		CENTRAL INDEX KEY:			0001359186
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-88324
		FILM NUMBER:		10659673

	BUSINESS ADDRESS:	
		STREET 1:		201 MAIN STREET, SUITE 1900
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		(817) 339-7600

	MAIL ADDRESS:	
		STREET 1:		201 MAIN STREET, SUITE 1900
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Crestline Opportunity Partners LP
		DATE OF NAME CHANGE:	20060412
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001359186</cik>
        <entityName>Crestline Opportunity Partners, L.P.</entityName>
        <issuerAddress>
            <street1>201 MAIN STREET, SUITE 1900</street1>
            <city>FORT WORTH</city>
            <stateOrCountry>TX</stateOrCountry>
            <zipCode>76102</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(817) 339-7600</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList></issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>Crestline Opportunity Partners LP</previousName>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Crestline Associates, L.P.</firstName>
                <lastName>Crestline Associates, L.P.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>201 Main Street, Suite 1900</street1>
                <city>Fort Worth</city>
                <stateOrCountry>TX</stateOrCountry>
                <zipCode>76102</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of the Limited Partnership</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Crestline Investors, Inc.</firstName>
                <lastName>Crestline Investors, Inc.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>201 Main Street, Suite 1900</street1>
                <city>Fort Worth</city>
                <stateOrCountry>TX</stateOrCountry>
                <zipCode>76102</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of the General Partner of the Limited Partnership</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Douglas</firstName>
                <middleName>K.</middleName>
                <lastName>Bratton</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>201 Main Street, Suite 1900</street1>
                <city>Fort Worth</city>
                <stateOrCountry>TX</stateOrCountry>
                <zipCode>76102</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and Director of Crestline Investors, Inc.</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-06-014488</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2006-02-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Collins/Bay Island Securities LLC</recipientName>
                <recipientCRDNumber>106560</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>840 Newport Center Drive</street1>
                    <street2>Suite 660</street2>
                    <city>Newport Beach</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <zipCode>92660</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>Juniper Capital Group LLC</recipientName>
                <recipientCRDNumber>122952</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>701 Pennsylvania Avenue, N.W.</street1>
                    <city>Washington</city>
                    <stateOrCountry>DC</stateOrCountry>
                    <zipCode>20004</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>UBS Financial Services Inc.</recipientName>
                <recipientCRDNumber>8174</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1200 Lincoln Harbor</street1>
                    <city>Weehawken</city>
                    <stateOrCountry>NJ</stateOrCountry>
                    <zipCode>07086</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>123631359</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>12</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>260</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Includes sales commissions paid to all placement agents listed in this Form D.</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>Crestline Opportunity Partners, L.P.</issuerName>
                <signatureName>/s/ Douglas K. Bratton</signatureName>
                <nameOfSigner>Douglas K. Bratton</nameOfSigner>
                <signatureTitle>President of the General Partner of the General Partner</signatureTitle>
                <signatureDate>2010-03-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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