<SEC-DOCUMENT>0000899629-18-000034.txt : 20180510
<SEC-HEADER>0000899629-18-000034.hdr.sgml : 20180510
<ACCEPTANCE-DATETIME>20180510163923
ACCESSION NUMBER:		0000899629-18-000034
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180510
FILED AS OF DATE:		20180510
DATE AS OF CHANGE:		20180510

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LUSCOMBE WENDY W
		CENTRAL INDEX KEY:			0001241950

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12002
		FILM NUMBER:		18823179

	MAIL ADDRESS:	
		STREET 1:		480 TAGHKANIC CHURCH TOWN ROAD
		CITY:			CRARYVILLE
		STATE:			NY
		ZIP:			12521

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:		411 THEODORE FREMD AVENUE
		STREET 2:		SUITE 300
		CITY:			RYE
		STATE:			NY
		ZIP:			10580
		BUSINESS PHONE:		914-288-8100

	MAIL ADDRESS:	
		STREET 1:		411 THEODORE FREMD AVENUE
		STREET 2:		SUITE 300
		CITY:			RYE
		STATE:			NY
		ZIP:			10580

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARK CENTERS TRUST
		DATE OF NAME CHANGE:	19930329
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_152598474994340.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241950</rptOwnerCik>
            <rptOwnerName>LUSCOMBE WENDY W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACADIA REALTY TRUST</rptOwnerStreet1>
            <rptOwnerStreet2>411 THEODORE FREMD AVENUE, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>RYE</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10580</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>2018-05-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3391</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.59</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42402</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. These shares represent the stock equivalent for Trustee fees credited to Ms. Luscombe's deferred account pursuant to the Issuer's Deferred Compensation Plan. The deferred shares shall vest according to the following schedule: one-third shall vest on May 9, 2019, one-third shall vest on May 9, 2020 and the remaining third shall vest on May 9, 2021.</footnote>
        <footnote id="F2">This number represents the total number of shares held by Ms. Luscombe at this time, including 29,975 which have been deferred.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Wendy Luscombe</signatureName>
        <signatureDate>2018-05-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
