Bainbridge Island is a city in Kitsap County, Washington, United States, and the name of the island in Puget Sound on which the city is situated. The population was 23,025 at the 2010 census, making Bainbridge Island the second largest city in Kitsap County.
In 1792, English explorer Captain George Vancouver spent several days with his ship HMS Discoveryanchored off Restoration Point at the southern end of Bainbridge Island while boat parties surveyed other parts of Puget Sound. In 1841, US Navy Lieutenant Charles Wilkes visited the island while surveying the Northwest. Lt. Wilkes named the island after Commodore William Bainbridge, commander of the frigate USS Constitution in the War of 1812. Bainbridge Island was originally a center for the logging and shipbuilding industries. The island was known for huge and accessible cedars, which were especially in demand for ships' masts. The original county seat of Kitsap County was at Port Madison on the north end of the island.