-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 V2bMt8Wd4S4BnzuMxbSjiiFVWm6kgRPHeIPn3SM49bo+Pzx+1tM/9ONW9c+wnMVW
 JmupQEhj19IUX/MQG82e5g==

<SEC-DOCUMENT>0001455730-09-000001.txt : 20090209
<SEC-HEADER>0001455730-09-000001.hdr.sgml : 20090209
<ACCEPTANCE-DATETIME>20090209120008
ACCESSION NUMBER:		0001455730-09-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(5)
FILED AS OF DATE:		20090209
DATE AS OF CHANGE:		20090209
EFFECTIVENESS DATE:		20090209

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mariner Palm Beach County Real Estate Opportunity Fund I, LLC
		CENTRAL INDEX KEY:			0001455730
		IRS NUMBER:				263740995
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-126723
		FILM NUMBER:		09579617

	BUSINESS ADDRESS:	
		STREET 1:		1601 BELVEDERE ROAD, SUITE 200E
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33406
		BUSINESS PHONE:		(561)283-0900

	MAIL ADDRESS:	
		STREET 1:		1601 BELVEDERE ROAD, SUITE 200E
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33406
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0201</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001455730</cik>
        <entityName>Mariner Palm Beach County Real Estate Opportunity Fund I, LLC</entityName>
        <issuerAddress>
            <street1>1601 BELVEDERE ROAD, SUITE 200E</street1>
            <street2></street2>
            <city>WEST PALM BEACH</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>33406</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(561)283-0900</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>FL</jurisdictionOfInc>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <middleName>M</middleName>
                <lastName>Cabot</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1601 Belvedere Road, Suite 200E</street1>
                <street2></street2>
                <city>West Palm Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33406</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President of Mariner Asset Management Services, LLC (the Manager of the Issuer)</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mark</firstName>
                <middleName>J</middleName>
                <lastName>Wojnar</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1601 Belvedere Road, Suite 200E</street1>
                <street2></street2>
                <city>West Palm Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33406</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>CEO of Mariner Asset Management Services, LLC (Manager of the Issuer)</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Homer</firstName>
                <middleName>H</middleName>
                <lastName>Marshman, Jr.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1601 Belvedere Road, Suite 200E</street1>
                <street2></street2>
                <city>West Palm Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33406</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Counsel of Mariner Asset Management Services, LLC (Manager of Issuer)</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Residential</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.5</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>25000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>CapWest Securities, Inc.</recipientName>
                <recipientCRDNumber>30002</recipientCRDNumber>
                <associatedBDName>CapWest Securities, Inc.</associatedBDName>
                <associatedBDCRDNumber>30002</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>3900 South Wadsworth Blvd.</street1>
                    <street2>Suite 590</street2>
                    <city>Lakewood</city>
                    <stateOrCountry>CO</stateOrCountry>
                    <zipCode>80235</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>10000000</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>10000000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>0</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>700000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>375386</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>The Manager will receive a 1.67% acquisition fee and a real estate commission equal to 3% of the acquisition price and 6% of the sales price on each property.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Mariner Palm Beach County Real Estate Opportunity Fund I, LLC</issuerName>
                <signatureName>Mark J. Wojnar</signatureName>
                <nameOfSigner>Mark J. Wojnar</nameOfSigner>
                <signatureTitle>CEO of the Manager of the Issuer</signatureTitle>
                <signatureDate>2009-02-09</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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