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Keyport, Washington
Aerial view of Keyport looking west from Port Orchard Bay
Aerial view of Keyport looking west from Port Orchard Bay
Keyport, Washington is located in Washington (state)
Keyport, Washington
Keyport, Washington
Location in Washington (state)
Keyport, Washington is located in the United States
Keyport, Washington
Keyport, Washington
Location in the United States
Country United States
State Washington
County Kitsap
 • Total 0.70 sq mi (1.81 km2)
 • Land 0.49 sq mi (1.27 km2)
 • Water 0.21 sq mi (0.54 km2)
35 ft (11 m)
 • Total 554
 • Density 1,126/sq mi (434.9/km2)
Time zone UTC-8 (Pacific (PST))
 • Summer (DST) UTC-7 (PDT)
ZIP code
Area code(s) 360
FIPS code 53-35625
GNIS feature ID 1505963

Keyport is an unincorporated community and census-designated place (CDP) in Kitsap County, Washington, United States. The community is located at the eastern terminus of State Route 308 on the Kitsap Peninsula. As of the 2010 census, the Keyport CDP had a total population of 554.

Keyport was named for Keyport, New Jersey, in 1896. Its nickname is "Torpedo Town USA". Situated on a small peninsula jutting into Liberty Bay near Poulsbo, it is the home of a small United States Navy depot tasked with ranging and repairing torpedoes for the US Navy and allies.

Keyport's only church, Keyport Bible Church, was established in the early 1900s and incorporated in 1926. The church's building was dedicated May 2, 1937, and has since added a number of classrooms and a multipurpose building.

Base name changes

From the earliest days (pre-World War I), the naval station had a number of names such as, Pacific Torpedo Station and Naval Torpedo Station, until in the 1990s the base was named the Naval Undersea Warfare Engineering Station (NUWES). The land the base sits on was originally a pig farm, which led to some interesting nicknames in the base's early years. As the Cold War drew to a close a number of budget cuts, two RIFs and several Base Realignment and Closure (BRAC) actions caused Keyport's parent command in Newport, R.I. to reserve the engineering function to itself, at least on paper, resulting in a name change to Naval Undersea Warfare Center, Keyport (NUWC). One of many subsequent reorganizations resulted in another name change to Naval Sea Systems Command, Keyport (NAVSEA). Following the US Navy's current trend of aligning base names locally the current station name is Naval Base Kitsap - Keyport, similar to the other facilities in Bremerton and Bangor. However the tenant Commands remains as before (NAVSEA and NUWC). Keyport survived all these threats without closing its gates but the civilian workforce at Keyport has fallen from about 3,500 personnel in 1990 to 1,348 in 2005.


Keyport's major tourist facility is the Naval Undersea Museum which exhibits many displays on undersea technology, including the Trieste II, which descended to 20,000 ft (6,100 m). There is also a boat dock operated by the local Port Authority. Kitsap County maintains a small county park on the beach just across SR-308 from the main gate.

The base sports a boat launch, a park, a large picnic area on a lagoon, and a number of hiking trails on "Radio Hill" used by base employees during lunch breaks. Recreational boaters, however, are cautioned to stay at least 300 feet (91 m) away from the production area of the base.

Places to eat include the Torpedo Alley Galley on base. Keyport Mercantile, Casa Mexico.


Like many American bases, the Navy base at Keyport is designated a Superfund site with four areas requiring action due to chemical contamination, including the former landfill on the western edge of the installation with the potential to contaminate neighboring well water. The chemicals of concern are chlorinated aliphatic hydrocarbons (CAHs) and polychlorinated biphenyls (PCBs). Treatment for CAH hot spots in the landfill is by phytoremediation (growing poplar trees). Also removal of PCB-contaminated sediments, upgrade the tide gate, upgrade and maintain the landfill cover and conduct long-term monitoring.


This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Keyport has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.

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