<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-06-30</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001332639</issuerCik>
        <issuerName>Seaspan CORP</issuerName>
        <issuerTradingSymbol>SSW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001709147</rptOwnerCik>
            <rptOwnerName>Correa Jude</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SEASPAN SHIP MANAGEMENT LTD</rptOwnerStreet1>
            <rptOwnerStreet2>2600 - 200 GRANVILLE STREET</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER</rptOwnerCity>
            <rptOwnerState>A1</rptOwnerState>
            <rptOwnerZipCode>V6C 1S4</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP, Risk &amp; Insurance, SSML</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14759.0000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Rights</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>26.5000</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>17177.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This report is a voluntary filing.</footnote>
        <footnote id="F2">Includes 2,898 Class A Common Shares subject to an award under the Seaspan Ship Management Ltd. Amended Employee Cash and Share Bonus Plan, of which 1,793 shares will be issued on June 30, 2018 and 1,105 shares will be issued on June 30, 2019.</footnote>
        <footnote id="F3">The shares subject to the Stock Appreciation Right vest and become exercisable when and if the Fair Market Value of the Company's Class A Common Shares equals or exceeds the shown price for any 20 consecutive trading days on or before the Expiration Date.</footnote>
    </footnotes>

    <remarks>correapoa.txt</remarks>

    <ownerSignature>
        <signatureName>/s/ Mark Chu, Attorney-in-Fact</signatureName>
        <signatureDate>2017-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
