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As an official U.S. Navy Museum our mission is to preserve, collect and interpret Naval undersea history, science and operations for the benefit of the U.S. Navy and the people of the United States.



Open daily 10am-4pm.
Closed Tuesdays October through April

Closed New Year's Day, Easter, Thanksgiving, and Christmas Day

Admission and parking are FREE!

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Physical Address:
Naval Undersea Museum
1 Garnett Way
Keyport, WA 98345

Phone: 360-396-4148

Mailing Address:
Naval Undersea Museum
Navy Region Northwest
1103 Hunley Road
Silverdale, WA 98315

Photo of the DSRV Mystic DSRV Mystic - Now on Display
DSRV Mystic served as the Navy's primary submarine rescue system from 1977 to 2008. In the event of a submarine accident, Mystic or her sister submersible Avalon could be deployed to rescue survivors anywhere in the world. Although now retired, the deep submergence rescue vehicles remain two of the most technologically advanced submersibles in the world.
Cover of The Thresher Legacy The Thresher Legacy: A Better, Safer Navy
The sinking of submarine USS Thresher changed the Navy for the better by spurring the creation of new safety and deep-ocean programs. A new exhibit opening in late 2014 looks at how a tragic loss could produce a positive result.
The Skin They're In: U.S. Navy Diving Suits
Examine the diving suits Navy divers use today from the Arctic water to the combat zones of the Indian Ocean.
Sue Trukken Women Divers: Part of the Navy Team
Women joined the Navy diving community in 1975. Learn about the challenges and achievements of some of the first female Navy divers in this online version of our popular past museum exhibit.
The Ocean Environment
Hands-on activities, to learn about the physical properties of the ocean such as buoyancy, pressure, density, heat transfer, light, sound, salinity, and oxygen. A microscope with slides of sea creatures, such as starfish.
Submarines in WWII
View a simulation of the control room of the nuclear fast attack submarine Greenling (SSN 614) including equipment such as periscopes, ship control panel, and ballast control panel.
woman speaking into handset Frequently Asked Questions
Get your answer here. Quick access to our most commonly asked naval history questions.