Exhibit 32.1

                               CERTIFICATION UNDER
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Glacier Water Services, Inc.,
(the Company) on Form 10-Q for the Quarter ended June 27, 2004 as filed with the
Securities and Exchange Commission on the date hereof (the Report), I, Brian H.
McInerney, President and Chief Executive Officer of the Company, certify,
pursuant to and for the purposes of 18 U.S.C. ss. 1350, as adopted pursuant to
ss. 906 of the Sarbanes-Oxley Act of 2002, that:

        (1)     The Report fully complies with the  requirements of section
                13(a) or 15(d) of the Securities Exchange Act of 1934; and

        (2)     The information contained in the Report fairly presents, in all
                material respects, the financial condition of the Company as of
                the dates indicated and results of operations of the Company
                for the periods indicated.


/s/ Brian H. McInerney

Brian H. McInerney
President and Chief Executive Officer
August 4, 2004