Thacher Island State Reservation is a scenic area located off the coast of Rockport, Massachusetts. It features two historic lighthouses, the North and South Lighthouses, which were built in the 19th century. The reservation is accessible by boat and offers visitors opportunities for hiking, birdwatching, and enjoying coastal views. The island is part of the Massachusetts state park system and is known for its natural beauty and diverse wildlife. It is a popular spot for outdoor enthusiasts and those interested in maritime history. The surrounding waters are also home to various marine species, making it a great location for nature lovers.