Mason's Island is a small, private island located in Long Island Sound off the coast of Connecticut. It is part of the town of Mystic and is known for its scenic beauty and residential community. The island is accessible by boat and features a mix of waterfront homes and natural landscapes. The island is primarily residential, with a limited number of amenities. Residents enjoy outdoor activities such as boating, fishing, and hiking. Mason's Island is also close to the attractions of Mystic, including the Mystic Seaport and Mystic Aquarium, making it a desirable location for those seeking a peaceful retreat.