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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 JO7bToVQMwXPtwhR1pKDck9halWDTIwmjkoq3T42KWr3T2SVPKkasGnu3okvk6aq
 UyHWEiB3oLrW6syegu5Kfg==

<SEC-DOCUMENT>0001140361-10-020445.txt : 20100511
<SEC-HEADER>0001140361-10-020445.hdr.sgml : 20100511
<ACCEPTANCE-DATETIME>20100511162000
ACCESSION NUMBER:		0001140361-10-020445
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100510
FILED AS OF DATE:		20100511
DATE AS OF CHANGE:		20100511

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Spitz William T.
		CENTRAL INDEX KEY:			0001411029

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12002
		FILM NUMBER:		10821249

	MAIL ADDRESS:	
		STREET 1:		C/O ACADIA REALTY TRUST
		STREET 2:		1311 MAMARONECK AVE., 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>2010-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001411029</rptOwnerCik>
            <rptOwnerName>Spitz William T.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACADIA REALTY TRUST</rptOwnerStreet1>
            <rptOwnerStreet2>1311 MAMARONECK AVE., SUITE 260</rptOwnerStreet2>
            <rptOwnerCity>WHITE PLAINS</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10605</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares of Beneficial Interest - $.001 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2809</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16103</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This grant was awarded in connection with the payment of annual Trustee fees.  Of these 2,809 Shares, 809 are vested, unrestricted Shares and 2,000 are restricted Shares that shall vest according to the following schedule:  667 shall vest on May 10, 2011, 667 shall vest on May 10, 2012 and 666 shall vest on May 10, 2013.</footnote>
        <footnote id="F2">This number represents 5,333 unvested, restricted Shares and 10,770 vested Shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>William T. Spitz</signatureName>
        <signatureDate>2010-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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