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

    <schemaVersion>X0205</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2012-05-02</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001502749</issuerCik>
        <issuerName>EverBank Financial Corp</issuerName>
        <issuerTradingSymbol>EVER</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001545666</rptOwnerCik>
            <rptOwnerName>Leidner Mitchell M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AQUILINE CAPITAL PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>535 MADISON AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Common Stock Unit</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.01 per hsare</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3615</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of EVER common stock.</footnote>
        <footnote id="F2">The restricted stock units will be settled in shares of EverBank Financial Corp common stock upon the lapse of the restrictions on March 28, 2013.</footnote>
        <footnote id="F3">The securities reported on this Form 3 give effect to the reorganization transactions described in EverBank Financial Corp's Registration Statement on Form S-1 (File No. 333-169824), which will occur prior to the consummation of the offering contemplated therein.</footnote>
        <footnote id="F4">These restricted stock units are held for the benefit of the reporting person's employer.  The reporting person disclaims beneficial ownership of such restricted stock units.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jean Marc Corredor as Attorney-in-Fact</signatureName>
        <signatureDate>2012-05-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
