Bremerton is a city in Kitsap County, Washington. The population was 40,500 at the 2016 State Estimate, making it the largest city on the Kitsap Peninsula. Bremerton is home to Puget Sound Naval Shipyard and the Bremerton Annex of Naval Base Kitsap. Bremerton is connected to Seattle by a 60-minute ferry route, which carries both vehicles and walk-on passengers along a 17-mile sailing route to Seattle.