RCW 36.54.120: County ferry districts—District may construct, purchase, operate, and maintain ferries and wharves.

A ferry district may construct, purchase, operate, and maintain ferries or wharves at any unfordable stream, lake, estuary, or bay within or bordering the ferry district, or between portions of the ferry district, or between the ferry district and other ferry districts, together with all the necessary boats, grounds, roads, approaches, and landings appertaining thereto under the direction and control of the governing body of the ferry district, free or for toll as the governing body determines by resolution.