If you would like to have your mail pieces hand stamped with the official Aquafest Cancellation Stamp please bring all mail pieces to the counter at the Lake Stevens Main Post Office.

Mail pieces can be date stamped through Aquafest for the day of mailing, or you can bring in souvenir post cards, etc. for up to 30 days after Aquafest to have your collectors items stamped with the 50th Anniversary Stamp.