Famous Pan Roasted Lobster Award Winning Seafood Restaurant, located in Cambridge MA. This is our flagship location, opened in 2000. With an extensive menu & dozens of specials each day, be prepared to experience traditional, modern & ethnic variations of the freshest seafood in town. Summer Shack offers the largest oyster bar in Cambridge, a 65 seat surrounding bar with 9 flat-screen TVs, a 1,500-gallon live lobster tank and twin 80-gallon steam kettles, in addition to a private function space.