<SEC-DOCUMENT>0001562180-20-005991.txt : 20200915
<SEC-HEADER>0001562180-20-005991.hdr.sgml : 20200915
<ACCEPTANCE-DATETIME>20200915160136
ACCESSION NUMBER:		0001562180-20-005991
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200914
FILED AS OF DATE:		20200915
DATE AS OF CHANGE:		20200915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOCH C JAMES
		CENTRAL INDEX KEY:			0001008079

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14092
		FILM NUMBER:		201176019

	MAIL ADDRESS:	
		STREET 1:		C/O THE BOSTON BEER COMPANY
		STREET 2:		ONE DESIGN CENTER PLACE, SUITE 850
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BOSTON BEER CO INC
		CENTRAL INDEX KEY:			0000949870
		STANDARD INDUSTRIAL CLASSIFICATION:	MALT BEVERAGES [2082]
		IRS NUMBER:				043284048
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1226

	BUSINESS ADDRESS:	
		STREET 1:		ONE DESIGN CENTER PLACE
		STREET 2:		SUITE 850
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-368-5056

	MAIL ADDRESS:	
		STREET 1:		ONE DESIGN CENTER PLACE
		STREET 2:		SUITE 850
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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        <issuerTradingSymbol>SAM</issuerTradingSymbol>
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            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02210</rptOwnerZipCode>
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            <isOfficer>true</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
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        <nonDerivativeTransaction>
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                <transactionPricePerShare>
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                    <footnoteId id="F11"/>
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        <nonDerivativeHolding>
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                <value>Class A Common</value>
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                    <footnoteId id="F12"/>
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            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44248.00</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Descendant's Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23486.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Custodian for children under UGTMA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust as Trustee</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3656.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By spouse as custodian for children under UGTMA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2532.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By spouse in trust for children</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Foundation on August 6, 2020.</footnote>
        <footnote id="F10">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 491 shares is from $875.12 to $876.05. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F11">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 103 shares is from $876.44 to $877.21. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F12">The shares reported include 343 shares of restricted stock subject to vesting conditions.</footnote>
        <footnote id="F2">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 800 shares is from $860.05 to $860.39. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F3">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 205 shares is from $865.00 to $866.00. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F4">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 227 shares is from $866.01 to $867.00. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F5">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 171 shares is from $868.00 to $868.73. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F6">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 200 shares is from $869.01 to $869.02. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F7">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 300 shares is from $870.28 to $871.11. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F8">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 300 shares is from $871.80 to $872.65. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
        <footnote id="F9">The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 493 shares is from $874.05 to $874.71. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Michael G. Andrews under POA for the benefit of Koch C. James</signatureName>
        <signatureDate>2020-09-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
