Exhibit 32.1

              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 quarterly report on Form 10-QSB of Universal
Communication Systems, Inc. (the "Company") for the period ended March 31, 2004
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), the undersigned, Michael J. Zwebner, Chief Executive Officer of the
Company, hereby certifies, pursuant to 18 U.S.C. section 1350, 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 and results of operations of the
Company.

                                 /s/ Michael J. Zwebner
Dated: May 24, 2004              ----------------------------------------------
                                 Michael J. Zwebner
                                 Chief Executive Officer, Chairman of the Board