<SEC-DOCUMENT>0001209191-22-001914.txt : 20220105
<SEC-HEADER>0001209191-22-001914.hdr.sgml : 20220105
<ACCEPTANCE-DATETIME>20220105180216
ACCESSION NUMBER:		0001209191-22-001914
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220103
FILED AS OF DATE:		20220105
DATE AS OF CHANGE:		20220105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sobel Brian M
		CENTRAL INDEX KEY:			0001403159

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33572
		FILM NUMBER:		22512742

	MAIL ADDRESS:	
		STREET 1:		504 REDWOOD BOULEVARD, SUITE 100
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94947

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bank of Marin Bancorp
		CENTRAL INDEX KEY:			0001403475
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				208859754
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		504 REDWOOD BOULEVARD, SUITE 100
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94947
		BUSINESS PHONE:		415-763-7781

	MAIL ADDRESS:	
		STREET 1:		504 REDWOOD BOULEVARD, SUITE 100
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94947
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-01-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001403475</issuerCik>
        <issuerName>Bank of Marin Bancorp</issuerName>
        <issuerTradingSymbol>BMRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403159</rptOwnerCik>
            <rptOwnerName>Sobel Brian M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>504 REDWOOD BOULEVARD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NOVATO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94947</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>2022-01-03</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>515</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>37.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26003</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares received in payment of Director fee</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Nancy R. Boatright, Attorney-in-Fact</signatureName>
        <signatureDate>2022-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
