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Harbor Defense Museum

A collection of military artifacts relating to the defense of America's harbors located inside still-working Fort Hamilton. Since the museum is located within an active US Army post, foreign visitors are not permitted. All visitors must have an ID.

Address
230 Sheridan Loop
Getting there
on Fort Hamilton; Subway: train to 95th St, then walk along 4th Ave to 101st St, then turn left and walk one block to the fort entrance. The MP at the guardhouse will direct you to the museum
Hours
Closed · opens 10 am tomorrow
Weekly hours
Mon10 am–4 pm
Tue10 am–4 pm
Wed10 am–4 pm
Thu10 am–4 pm
Fri10 am–4 pm
Sat10 am–2 pm
SunClosed

Read from the travel guide, which lists: Mon-Fri 10AM-4PM, Sat 10AM-2PM

Price
Free

Listing from Wikivoyage: Brooklyn/Southwest Brooklyn, CC BY-SA 4.0.

Updated 10 Oct 2026. Something wrong? Tell us.