The Boston Harbor Islands are a group of 34 islands located in Boston Harbor, Massachusetts. These islands are part of the Boston Harbor Islands National and State Park, which offers visitors a chance to explore natural beauty, historical sites, and recreational activities. Some of the most popular islands include Spectacle Island, known for its beaches and trails, and Fort Warren on Georges Island, which features a historic Civil War fort. Visitors can access the islands by ferry from Boston and enjoy activities such as hiking, picnicking, and birdwatching. The park also provides educational programs about the area's ecology and history, making it a great destination for families and nature enthusiasts alike.