A festive celebration that brings the heart of Cape Cod's oldest town to life with family-friendly fun in downtown Sandwich. SandwichFest features a juried artisan craft fair, food trucks, live PorchFest music performances on downtown porches, a dog parade, antique cars, a beer and wine tent, kids activities, and a sandwich-making competition where culinary experts compete for the trophy. Saturday, October 3, 2026 from 10 AM to 3 PM, anchored at 18 Water Street.