<SEC-DOCUMENT>0001209191-20-041620.txt : 20200707
<SEC-HEADER>0001209191-20-041620.hdr.sgml : 20200707
<ACCEPTANCE-DATETIME>20200707203212
ACCESSION NUMBER:		0001209191-20-041620
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200707
FILED AS OF DATE:		20200707
DATE AS OF CHANGE:		20200707

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Murphy Leslie E
		CENTRAL INDEX KEY:			0001696440

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33572
		FILM NUMBER:		201017096

	MAIL ADDRESS:	
		STREET 1:		504 REDWOOD BLVD., STE. 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>2020-07-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001696440</rptOwnerCik>
            <rptOwnerName>Murphy Leslie E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>504 REDWOOD BLVD., 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>2020-07-07</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>373</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>33.33</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10805</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Purchase pursuant to the shareholder approved Bank of Marin Bancorp 2020 Director Stock Plan. Per the terms of the plan, the purchase price is the fair market value of the Company's stock on the ending date of the Offering Period, June 30, 2020.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Nancy R. Boatright, Attorney-in-Fact</signatureName>
        <signatureDate>2020-07-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
