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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001140361-10-009643.txt : 20100303
<SEC-HEADER>0001140361-10-009643.hdr.sgml : 20100303
<ACCEPTANCE-DATETIME>20100303160553
ACCESSION NUMBER:		0001140361-10-009643
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100301
FILED AS OF DATE:		20100303
DATE AS OF CHANGE:		20100303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nelsen Michael
		CENTRAL INDEX KEY:			0001313980

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12002
		FILM NUMBER:		10653488

	MAIL ADDRESS:	
		STREET 1:		C/O ACADIA REALTY TRUST
		STREET 2:		1311 MAMARONECK AVENUE, SUITE 260
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10605

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACADIA REALTY TRUST
		CENTRAL INDEX KEY:			0000899629
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232715194
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1311 MAMARONECK AVENUE
		STREET 2:		SUITE 260
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10605
		BUSINESS PHONE:		914-288-8100

	MAIL ADDRESS:	
		STREET 1:		1311 MAMARONECK AVENUE
		STREET 2:		SUITE 260
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARK CENTERS TRUST
		DATE OF NAME CHANGE:	19930329
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000899629</issuerCik>
        <issuerName>ACADIA REALTY TRUST</issuerName>
        <issuerTradingSymbol>AKR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001313980</rptOwnerCik>
            <rptOwnerName>Nelsen Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACADIA REALTY TRUST</rptOwnerStreet1>
            <rptOwnerStreet2>1311 MAMARONECK AVENUE, SUITE 260</rptOwnerStreet2>
            <rptOwnerCity>WHITE PLAINS</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10605</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Limited Partnership Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>16.89</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11761</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares of Beneficial Interest</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11761</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33848</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On March 1, 2010 (&quot;Grant Date&quot;), Mr. Nelsen was awarded these restricted limited partnership units in Acadia Realty Limited Partnership (&quot;LTIP Units&quot;).  7,561 of these LTIP Units shall vest subject to the following schedule: equal amounts shall vest on January 6, 2011 (the &quot;First Vesting Date&quot;) and on each of the first, second, third and fourth anniversaries thereof, provided that Mr. Nelsen continues to be employed by the Company through the vesting date in question (each a &quot;Vesting Date&quot;).  The remaining 4,200 LTIP Units will vest subject to the same schedule and Mr. Nelsen's continued employment, as well as Acadia Realty Trust (the &quot;Company&quot;) achieving certain annual and cumulative benchmarks established by the Company's Board of Trustees.</footnote>
        <footnote id="F2">This represents the total number of LTIP Units held by Mr. Nelsen as of the date hereof.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Michael Nelsen</signatureName>
        <signatureDate>2010-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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