RCW 53.08.295: Passenger-carrying vessels.

A port district may acquire, lease, construct, purchase, maintain, and operate passenger-carrying vessels on Puget Sound, interstate navigable rivers of the state, and intrastate waters of adjoining states. Service provided shall be under terms, conditions, and rates to be fixed and approved by the port commission. Operation of such vessels shall be subject to applicable state and federal laws pertaining to such service.