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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2020-05-13</periodOfReport>

    <dateOfOriginalSubmission>2020-05-15</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001688852</issuerCik>
        <issuerName>Safehold Inc.</issuerName>
        <issuerTradingSymbol>SAFE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191821</rptOwnerCik>
            <rptOwnerName>ADLER DEAN S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2400 MARKET STREET, SUITE 301</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103-3033</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>785500</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents grant of shares issued directly to SFTY VII-B, LLC (&quot;SFTY&quot;) for Mr. Dean S. Adler's services as a director of the Issuer. The shares were fully vested on the grant date. Shares owned following the reported transaction gives effect to the transfer from Mr. Adler to SFTY of shares held by Mr. Adler for SFTY's benefit.</footnote>
        <footnote id="F2">The shares are held of record by SFTY. SFTY's sole member is Lubert-Adler Real Estate Fund VII-B, L.P. (&quot;L-A RE Fund VII-B&quot;). L-A RE Fund VII-B's general partner is Lubert-Adler Group VII-B, LLC (&quot;L-A Group VII-B LLC&quot;). L-A Group VII-B LLC's sole member is Lubert-Adler Group VII-B Holdings, L.P. (&quot;L-A Holdings VII-B LP&quot;). L-A Holdings VII-B LP's general partner is Lubert-Adler Group VII-B Holdings, LLC (&quot;L-A Holdings VII-B LLC&quot;). Mr. Adler is one of two members of L-A Holdings VII-B LLC. As a result, Mr. Adler may be deemed to share beneficial ownership of the reported shares.</footnote>
        <footnote id="F3">Mr. Adler expressly disclaims beneficial ownership of the reported shares except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>This amendment is being filed to reflect the shares for which Mr. Adler's may be deemed to share indirect beneficial ownership in column 5, and to delete the second line item from the original Form 4 filed on May 15, 2020.</remarks>

    <ownerSignature>
        <signatureName>/s/ R. Eric Emrich, as attorney-in-fact for Dean S. Adler</signatureName>
        <signatureDate>2020-07-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
