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

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-12-22</periodOfReport>

    <issuer>
        <issuerCik>0001363829</issuerCik>
        <issuerName>Enstar Group LTD</issuerName>
        <issuerTradingSymbol>ESGR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001406540</rptOwnerCik>
            <rptOwnerName>Rajpal Sumit</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GOLDMAN, SACHS &amp; CO.</rptOwnerStreet1>
            <rptOwnerStreet2>200 WEST STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10282</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2011-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>134184</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>86.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>665529</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series C Non-Voting Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1975768</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>86.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Series D Non-Voting Common Stock or Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1975768</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2725637</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2011-04-20</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-04-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Series C Non-Voting Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>340820</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>340820</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person is a managing director of Goldman, Sachs &amp; Co. (&quot;Goldman Sachs&quot;). Goldman Sachs is a wholly-owned subsidiary of The Goldman Sachs Group, Inc. (&quot;GS Group&quot;). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any.</footnote>
        <footnote id="F2">Goldman Sachs and GS Group may be deemed to beneficially own indirectly, in the aggregate, 665,529 ordinary shares, par value $1.00 per share (&quot;Ordinary Shares&quot;), of Enstar Group Limited (the &quot;Company&quot;) through certain investment partnerships (the &quot;Investment Partnerships&quot;). Affiliates of Goldman Sachs and GS Group are the general partner, managing limited partner, managing partner, managing member, member or investment manager of the Investment Partnerships. Goldman Sachs had open short positions of 57,827 Ordinary Shares as of December 22, 2011.</footnote>
        <footnote id="F3">Goldman Sachs and GS Group may be deemed to beneficially own indirectly the shares of Series C Non-Voting Common Stock, par value $1.00 per share (the &quot;Series C Common Stock&quot;), through the Investment Partnerships. The Series C Common Stock have the same economic rights as the Ordinary Shares but have no voting rights, except on certain limited matters. Shares of Series C Common Stock are convertible at the election of the holder into Series D Non-Voting Common Stock. Additionally, shares of Series C Common Stock convert into Ordinary Shares only upon (i) a widespread public distribution, (ii) a transfer in which no transferee (or group of associated transferees) would receive 2% or more of any class of voting securities of the Company or (iii) a transfer to a transferee that would control more than 50% of the voting securities of the Company without any transfer from the holder. The Series C Common Stock do not have an expiration date.</footnote>
        <footnote id="F4">Subject to certain regulatory approvals.</footnote>
        <footnote id="F5">The Warrants are exercisable for shares of Series C Common Stock. The exercise price per share of Series C Common Stock is $115.00, subject to certain adjustments. Goldman Sachs and GS Group may be deemed to beneficially own indirectly the Warrants through the Investment Partnerships.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Yvette Kosic, Attorney-in-fact</signatureName>
        <signatureDate>2011-12-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
