Port Orchard is a city in and the county seat of Kitsap County, Washington, United States. It is located 13 miles (21 km) due west of West Seattle and south from Bremerton across Sinclair Inlet. Port Orchard is connected to Seattle and Vashon Island via the Washington State Ferries run to Southworth. The city is named after Port Orchard, the strait that separates Bainbridge Island from the Kitsap Peninsula.