During the first half of the 19th century, the United States was compelled to expand the fortifications protecting its harbors and strategic waterways. Built between 1825 and 1831, Fort Hamilton became part of the Third System of Fortifications built throughout New York City. Today, the Harbor Defense Museum occupies Fort Hamilton’s caponier, a freestanding bastion located within the fort’s dry moat. Both structures are on the National Registry of Historic Places.
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United States Army weapons, uniforms, small arms, cannons, and accoutrements from 18th century to present.
Military themed art and historical items from Fort Hamilton.
Battle of Brooklyn (Revolutionary War), Firepower: Infantry Weapons of World War II, Coast Fortification Systems, and Fort Hamilton History.
Monday through Friday: 10a.m.- 4p.m.
Closed: Weekends and Federal Holidays
Occasionally, we may close on short notice. Please call before planning your visit.
Please call to schedule a school group visit, a guided tour, or for parties of 10 or more.
Museum office: 718-630-4349
Fort Hamilton and the Harbor Defense Museum are located at the foot of the Verrazano-Narrows Bridge in Bay Ridge, Brooklyn. For directions, use 'Fort Hamilton Pkwy & 101st St, Brooklyn, NY' as your destination and follow the signs on post for the museum. All adult (18+) visitors must have a state or federally issued photo ID and enter through the 101st Street gate to get on the post.