Exhibit 32.1

                          The Boston Beer Company, Inc.

                            Certification Pursuant To
                             18 U.S.C. Section 1350,
                             As Adopted Pursuant To
                  Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report of The Boston Beer Company, Inc. (the
"Company") on Form 10-K for the period ended December 27, 2003 as filed with the
Securities and Exchange Commission (the "Report"), I, Martin F. Roper, President
and Chief Executive Officer of the Company, certify, pursuant to Section 1350 of
Chapter 63 of Title 18, United States Code, that this Report fully complies with
the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of
1934 and that the information contained in this Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

Date: March 11, 2004


                                           /s/ Martin F. Roper
                                           -------------------------------------
                                           Martin F. Roper
                                           President and Chief Executive Officer



A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature
that appears in typed form within the electronic version of the written
statement required by Section 906, has been provided to The Boston Beer
Company, Inc. and will be retained by The Boston Beer Company, Inc. and
furnished to the Securities and Exchange Commission or its staff upon request.