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One of ten museums operated by the U.S. Navy, Keyport's Naval Undersea Museum has earned accreditation for its exhibits and programs and is also the home of the largest repository of reference materials and documents related to the history of the U.S. Navy. Highlights of the museum include static displays of historic submarine rescue vehicles and other submersible craft. Long-term exhibits that share the history of submarines and torpedos as well as mine warfare and strategic deterrence in the Cold War and modern era. Visitors can also tour exhibits related to search and recovery missions and see a full-scale model of a control room from a Cold War-era submarine.


  • The Naval Undersea Museum was constructed between 1985 and 1994.
  • The instructions that accompanied the Ethan Allen model kit described the newly commissioned submarine as the “mightiest addition to the Polaris fleet.”
The U.S. Naval Undersea Museum was established in 1979 and has grown to include 18,000 square feet of exhibit space and a total of nearly 40,000 artifacts. Construction of the museum began in 1985 and completed in 1994. The American Alliance of Museums awarded accreditation to the museum in 2011. Museum staff also offer free presentations about several subjects related to naval undersea history and technology.

The museum holds events all year long and and also welcomes special events such as performances of the Navy Band Northwest. The museum also offers summer STEAM days for youth with Science, Technology, Engineering, Art, and Mathematics based activities on a variety of topics. The museum and parking areas are wheelchair accessible, with wheelchair ramps, an elevator, and two wheelchairs available for use during visits.     

History of the Museum. Naval Undersea Museum Foundation. . Accessed February 14, 2019. http://www.navalunderseamuseum.org/history/.

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