Boston Harbor Islands is an amalgamation of a United States national recreation area and Massachusetts state park located across most Boston Harbor near Boston, USA. The preserve is made up of 34 islands and peninsulas managed by the Boston Harbor Islands Partnership. Twenty-one of the islands are included in the National Register of Historic Places as the Boston Harbor Islands Archeological District Archeological District.

Boston Harbor Islands sights include a Civil War-era fort, historic lighthouses and tide pools. Activities include hiking, camping, fishing, picnicking and swimming. - AsNotedIn