 Amenities include a formal school campus complete with classrooms, dormitories, dining hall, auditoriums, gymnasium, lab space, outdoor challenge courses, and climbing towers.At low tide, a sandbar connects it to Squaw Rock on the Squantum peninsula, allowing land travel between the two..In 1626, four years before the Puritans arrived, David Thompson began living on the island where he had been conducting a trading post to trade with the Neponset Indians on the island that now bears his name.