<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001284549</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001298675</issuerCik>
      <issuerName>CubeSmart</issuerName>
      <secFileNumber>001-32324</secFileNumber>
      <issuerAddress>
        <com:street1>5 OLD LANCASTER ROAD</com:street1>
        <com:city>MALVERN</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>19355</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>610-535-5700</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MARTIN TIMOTHY M</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>CHARLES SCHWAB CORPORATION</name>
        <address>
          <com:street1>3000 SCHWAB WAY</com:street1>
          <com:city>WESTLAKE</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>42537</noOfUnitsSold>
      <aggregateMarketValue>1951078.00</aggregateMarketValue>
      <noOfUnitsOutstanding>224677437</noOfUnitsOutstanding>
      <approxSaleDate>05/05/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/05/2023</acquiredDate>
      <natureOfAcquisitionTransaction>EXERCISED STOCK OPTIONS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>42537</amountOfSecuritiesAcquired>
      <paymentDate>05/05/2023</paymentDate>
      <natureOfPayment>CASH</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/05/2023</noticeDate>
      <signature>Timothy M. Martin</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2696}]
144
0001284549
XXXXXXXX
LIVE
0001298675
CubeSmart
001-32324
5 OLD LANCASTER ROAD
MALVERN
PA
19355
610-535-5700
MARTIN TIMOTHY M
Officer
COMMON
CHARLES SCHWAB CORPORATION
3000 SCHWAB WAY
WESTLAKE
TX
76262
42537
1951078.00
224677437
05/05/2023
NYSE
COMMON
05/05/2023
EXERCISED STOCK OPTIONS
ISSUER
N
42537
05/05/2023
CASH
Y
05/05/2023
Timothy M. Martin