Wailoa Boat Harbor Back To List Facility Type Contact Information Boat Ramp No contact information available at this time. Features Available Directions No features information available at this time. By Land: Near Junction Of Rtes. 11, 19, And 200 In Hilo, At Mouth Of Wailoa River Which Flows Into Hilo Bay. Additional Information Note: Main Highway Crosses Wailoa River On A Bridge Located Between The Launch Ramp And Hilo Bay, Restricting Sailboats And Vessels With A High Profile. This information provided by BoatU.S.