Sayville Summerfest 2024 Vendor Application. 2 and continuing through saturday, aug. The greater sayville chamber of commerce’s summerfest will be held next weekend starting friday night at 5 p.m.
The greater sayville chamber of commerce will host their 2024 summerfest from friday, august 2nd, through sunday, august 4th. The greater sayville chamber of commerce will be hosting their annual summer festival featuring live entertainment, rides & attractions, and craft & food vendors.