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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-08-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001824403</issuerCik>
        <issuerName>Reservoir Media, Inc.</issuerName>
        <issuerTradingSymbol>RSVR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001864193</rptOwnerCik>
            <rptOwnerName>Field Ezra S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RESERVOIR MEDIA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>200 VARICK STREET, SUITE 801A</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10014</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, $0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2023-08-11</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2023-08-11</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.2734</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100196</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, $0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2023-08-14</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2023-08-14</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.3862</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>110196</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, $0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2023-08-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2023-08-15</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.3201</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>118196</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The 10,000 shares of common stock, par value $0.0001 per share (the &quot;Shares&quot;), of Reservoir Media, Inc. (the &quot;Issuer&quot;) reported on this Form 4 were purchased in multiple trades at prices ranging from $5.24 to $5.39 per share. The price reported above reflects the weighted average purchase price per Share. The Reporting Persons hereby undertake to provide to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of Shares purchased and prices at which the transactions were effected.</footnote>
        <footnote id="F2">The 10,000 shares of common stock, par value $0.0001 per share (the &quot;Shares&quot;), of Reservoir Media, Inc. (the &quot;Issuer&quot;) reported on this Form 4 were purchased in multiple trades at prices ranging from $5.36 to $5.39 per share. The price reported above reflects the weighted average purchase price per Share. The Reporting Persons hereby undertake to provide to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of Shares purchased and prices at which the transactions were effected.</footnote>
        <footnote id="F3">The 8,000 shares of common stock, par value $0.0001 per share (the &quot;Shares&quot;), of Reservoir Media, Inc. (the &quot;Issuer&quot;) reported on this Form 4 were purchased in multiple trades at prices ranging from $5.28 to $5.38 per share. The price reported above reflects the weighted average purchase price per Share. The Reporting Persons hereby undertake to provide to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of Shares purchased and prices at which the transactions were effected.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Golnar Khosrowshahi, as attorney-in-fact for Ezra S. Field</signatureName>
        <signatureDate>2023-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
