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Fort Warren

Historic Fort on Atlantic Ocean in Boston Harbor Islands State Park, Boston Harbor Islands NRA in Boston, MA

National Register of Historic Places

Sensitive Place

Historic Forts are sensitive in nature and deserve the utmost respect. Please help preserve the area for future generations.

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Fort Warren is a historic fort on the 28-acre (110,000 m2) Georges Island at the entrance to Boston Harbor. The fort is pentagonal star fort, made with stone and granite, and was constructed from 1833–1861, completed shortly after the beginning of the American Civil War. Fort Warren defended the harbor in Boston, Massachusetts, from 1861 through the end of World War II, and during the Civil War served as a prison for Confederate officers and government officials. The fort remained active through the Spanish–American War and World War I, and was re-activated during World War II. It was permanently decommissioned in 1947, and is now a tourist site. It was designated a National Historic Landmark in 1970 as a masterpiece of coastal engineering of the pre-Civil War period, and for its role in…

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