Governors Island National Monument is a small island located in New York Harbor, just south of Manhattan. It covers about 69 acres and is known for its historic significance and beautiful landscapes. The island features several historic structures, including the Castle Williams and Fort Jay, which date back to the early 19th century. Established as a national monument in 2001, Governors Island is managed by the National Park Service. It offers visitors a chance to explore its rich history, enjoy recreational activities, and take in stunning views of the Statue of Liberty and the New York City skyline.