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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001879297</issuerCik>
        <issuerName>LAMF Global Ventures Corp. I</issuerName>
        <issuerTradingSymbol>LGVC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001879285</rptOwnerCik>
            <rptOwnerName>LAMF SPAC Holdings I LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LAMF GLOBAL VENTURES CORP. I</rptOwnerStreet1>
            <rptOwnerStreet2>9255 SUNSET BLVD., SUITE 515</rptOwnerStreet2>
            <rptOwnerCity>WEST HOLLYWOOD</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Director by Deputization</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001893039</rptOwnerCik>
            <rptOwnerName>LAMF SPAC I LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LAMF GLOBAL VENTURES CORP. I</rptOwnerStreet1>
            <rptOwnerStreet2>9255 SUNSET BLVD., SUITE 515</rptOwnerStreet2>
            <rptOwnerCity>WEST HOLLYWOOD</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1106000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1106000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported Class A Ordinary Shares are within 1,106,000 of the Issuer's Private Placement Units, as described under the heading &quot;Description of Securities&quot; in the Issuer's registration statement on Form S-1 (File No. 333- 259998), purchased by LAMF SPAC Holdings I LLC (the &quot;Sponsor&quot;) for $10.00 per Private Placement Unit from the Issuer.</footnote>
        <footnote id="F2">The Sponsor is the record holder of the securities reported herein. LAMF SPAC I LLC is the managing member of the Sponsor. LAMF SPAC I LLC has voting and investment discretion with respect to the securities held of record by the Sponsor. There are three managing members of LAMF SPAC I LLC. Each managing member has one vote, and the approval of a majority is required to approve an action. No individual managing member of LAMF SPAC I LLC exercises voting or dispositive control over any of the securities held by LAMF SPAC I LLC, even those in which he holds a pecuniary interest. Accordingly, none of them is deemed to have or share beneficial ownership of such securities.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Daniel Nussen, Attorney-in-Fact for LAMF SPAC Holdings I LLC</signatureName>
        <signatureDate>2021-11-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Daniel Nussen, Attorney-in-Fact for LAMF SPAC I LLC</signatureName>
        <signatureDate>2021-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
