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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001330849</issuerCik>
        <issuerName>HERCULES OFFSHORE, INC.</issuerName>
        <issuerTradingSymbol>HERO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001292336</rptOwnerCik>
            <rptOwnerName>GREENHILL CAPITAL PARTNERS, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE, 23RD FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001292339</rptOwnerCik>
            <rptOwnerName>GCP MANAGING PARTNER, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE, 23RD FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282977</rptOwnerCik>
            <rptOwnerName>GREENHILL &amp; CO INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>23RD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001120194</rptOwnerCik>
            <rptOwnerName>GREENHILL CAPITAL PARTNERS LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVE</rptOwnerStreet1>
            <rptOwnerStreet2>23RD FL</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock; par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2006-04-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>348608</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>36</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3297564</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through limited partnerships</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Sale by reporting persons pursuant to the  underwriters' exercise of their over-allotment option in a public offering of the
 Issuer.</footnote>
        <footnote id="F2">Public offering price.</footnote>
        <footnote id="F3">This Form 4 is being filed by more than one reporting person.</footnote>
        <footnote id="F4">Greenhill Capital Partners, LLC, whose sole member is Greenhill &amp; Co., Inc., is the general partner of GCP Managing Partner,
 L.P.</footnote>
        <footnote id="F5">GCP Managing Partner, L.P. is the managing general partner of Greenhill Capital Partners, L.P., which sold 215,715 shares of
 common stock pursuant to the exercise of the underwriters' over-allotment option and is now the record owner of 2,040,495
 shares of common stock, Greenhill Capital Partners (Executives), L.P., which sold 33,210 shares of common stock pursuant to
 the exercise of the underwriters' over-allotment option  and is now the record owner of 314,141 shares of common stock,
 Greenhill Capital, L.P., which sold 68,849 shares of common stock pursuant to the exercise of the underwriters'
 over-allotment option and is now the record owner of 651,261 shares of common stock, and Greenhill Capital Partners
 (Cayman), L.P., which sold 30,834 shares of common stock pursuant to the exercise of the underwriters' over-allotment option
 and is now the record owner of 291,667 shares of common stock.</footnote>
        <footnote id="F6">Each reporting person disclaims beneficial ownership of the reported securities except and to the extent of its pecuniary
 interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Greenhill Capital Partners, LLC, By: Ulrika Ekman, General Counsel and Secretary, /s/ Ulrika Ekman</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Greenhill Capital Partners, L.P., By: GCP Managing Partner L.P., its managing general partner, By: Greenhill Capital Partners, LLC, its
general partner, By: Ulrika Ekman, General Counsel and Secretary, /s/ Ulrika Ekman</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Greenhill &amp; Co., Inc., By: Ulrika Ekman, Managing Director, General Counsel and Secretary, /s/ Ulrika Ekman</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GCP Managing Partner, L.P., By: Greenhill Capital Partners, LLC, its general partner, By: Ulrika Ekman, General Counsel and Secretary, /s/ Ulrika Ekman</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
