Lake Washington steamboats and ferries the floating bridge, the last ferry route was retired, and the boat was sold to the Washington State Ferries, which had taken over the Puget Sound Navigation Company in 1951. Lake Washington steamboats and ferries Lake Washington steamboats and ferries operated from about 1875 to 1951, transporting passengers, vehicles and freight across Lake Washington, a large lake to the east of Seattle, Washington. Before modern highways and bridges were built, the only means of crossing the lake, other than the traditional canoe, was by steamboat, and, later, by ferry. While there was no easily navigable connection to Puget Sound, the
Possession Sound the site only for seasonal clamming. The Washington State Route 525, Mukilteo-Clinton passenger ferry run crosses the narrowest section of Possession Sound. Possession Sound Possession Sound is part of Puget Sound, located in the U.S. state of Washington between Whidbey Island and the coastline of Snohomish County approximately between the cities of Everett and Mukilteo. Possession Sound connects the main Puget Sound basin to the south with Saratoga Passage and Port Susan to the north. The Snohomish River flows into Possession Sound at Port Gardner Bay. Gedney Island, also called Hat Island, is located in Possession Sound. Possession Sound was