Fresh finds every Friday at the Osterville Farmers’ Market The Osterville Farmers’ Market is a popular weekly outdoor market located in the heart of Osterville, Cape Cod. Held every Friday on the scenic grounds of the Osterville Historical Museum, the market features a wide selection of locally grown produce, fresh flowers, baked goods, artisan cheeses, handmade crafts, and specialty Cape Cod products. Surrounded by historic charm and coastal beauty, the market offers a relaxing, family-friendly shopping experience that draws both locals and seasonal visitors looking to support small businesses and enjoy the best of what Cape Cod has to offer.