Mashpee, United States offers 16 beaches perfect for sunbathing, surfing, swimming, and more. Mashpee is known for the Mashpee Wampanoag Indian Museum and the Mashpee Commons shopping area. The best time to travel to Mashpee, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!