State Road 305 is a state highway located in Washington, primarily serving the Kitsap Peninsula. It runs approximately 10 miles, connecting the city of Bainbridge Island to State Route 3, facilitating access to the surrounding areas. The highway is an important route for both residents and visitors, providing a scenic drive through forests and waterfront views. It also serves as a vital link for commuters traveling to and from Seattle via the Bainbridge Island Ferry, enhancing connectivity in the region.