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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001325098</issuerCik>
        <issuerName>Quintana Maritime LTD</issuerName>
        <issuerTradingSymbol>QMAR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332739</rptOwnerCik>
            <rptOwnerName>FR X Offshore GP LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST RESERVE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LAFAYETTE PLACE, THIRD FL.</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remark (1)</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332738</rptOwnerCik>
            <rptOwnerName>FR X Offshore GP, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST RESERVE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LAFAYETTE PLACE, THIRD FL.</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remark (1)</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332740</rptOwnerCik>
            <rptOwnerName>FR X Offshore, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST RESERVE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LAFAYETTE PLACE, THIRD FL.</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remark (1)</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202019</rptOwnerCik>
            <rptOwnerName>EDWARDS JOSEPH R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE LAFAYETTE PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>THIRD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</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</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3087895</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See FN</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Effective May 15, 2006, the Board of Directors of the Company awarded these shares of restricted stock under the Company's 2005 Stock Incentive Plan to Joseph R. Edwards, a director of the Issuer. The stock will vest on February 15, 2010.</footnote>
        <footnote id="F2">Consists of 15,500 shares of restricted common stock issued to Joseph R. Edwards, and 3,072,395 shares of common stock owned by FR X Offshore, L.P.</footnote>
        <footnote id="F3">This Form 4 is filed on behalf of FR X Offshore GP Limited (&quot;Offshore Ltd&quot;), FR X Offshore GP, L.P. (&quot;Offshore GP&quot;), FR X Offshore, L.P. (&quot;Offshore LP&quot; and collectively with Offshore Ltd and Offshore GP, the &quot;Fund Entities&quot;), and Joseph R. Edwards. Offshore GP is the general partner of Offshore LP and may be deemed to share beneficial ownership of the shares of Common Stock beneficially owned by Offshore LP.  Offshore Ltd., as the general partner of Offshore GP, may also be deemed to share beneficial ownership of the shares of Common Stock beneficially owned by Offshore LP.</footnote>
        <footnote id="F4">The Fund Entities are entitled to a portion of the profits from the sale of securities held by Mr. Edwards, and therefore the Fund Entities share beneficial ownership of the securities issued to Mr. Edwards as reported herein.  Other than the shares he holds directly, Mr. Edwards disclaims beneficial ownership of securities of the Issuer beneficially owned by the Fund Entities.</footnote>
    </footnotes>

    <remarks>(1) The Fund Entities (as defined in Footnote (3)), have included the designation of &quot;Director&quot; in order to satisfy potential filing obligations in the event any such Fund Entities are deemed to be a director of the Issuer by deputization.

(2) FR X Offshore GP Limited, by Anne E. Gold, Assistant Secretary, is signing for itself as the designated filer, as well as in the capacity of general partner of FR X Offshore GP, L.P.  FR X Offshore GP, L.P. by Anne E. Gold, is signing in its capacity as general partner of FR X Offshore, L.P.  Joseph R. Edwards, by Anne E. Gold, Attorney-in-Fact (See Attached Power of Attorney).</remarks>

    <ownerSignature>
        <signatureName>Anne E. Gold</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Anne E. Gold, In the Capacity Described in Remark (2)</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Anne E. Gold, In the Capacity Described in Remark (2)</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Anne E. Gold, Attorney-in-Fact</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
