<SEC-DOCUMENT>0001225208-12-013490.txt : 20120601
<SEC-HEADER>0001225208-12-013490.hdr.sgml : 20120601
<ACCEPTANCE-DATETIME>20120601083720
ACCESSION NUMBER:		0001225208-12-013490
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120530
FILED AS OF DATE:		20120601
DATE AS OF CHANGE:		20120601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FAIN JOHN W
		CENTRAL INDEX KEY:			0001266220

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32324
		FILM NUMBER:		12881871

	MAIL ADDRESS:	
		STREET 1:		1000 SEMMES AVE
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CubeSmart
		CENTRAL INDEX KEY:			0001298675
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				201024732
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		460 E. SWEDESFORD ROAD
		STREET 2:		SUITE 3000
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		610-293-5700

	MAIL ADDRESS:	
		STREET 1:		460 E. SWEDESFORD ROAD
		STREET 2:		SUITE 3000
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	U-Store-It Trust
		DATE OF NAME CHANGE:	20040727
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0205</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2012-05-30</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001298675</issuerCik>
        <issuerName>CubeSmart</issuerName>
        <issuerTradingSymbol>CUBE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001266220</rptOwnerCik>
            <rptOwnerName>FAIN JOHN W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 EAST SWEDESFORD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3000</rptOwnerStreet2>
            <rptOwnerCity>WAYNE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19087</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Douglas J. Tyrell, Attorney-in-Fact</signatureName>
        <signatureDate>2012-05-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
