Triton was launched in May 1909 at the Anderson Shipyard on the eastern shore of Lake Washington at Houghton.

[4] “Triton” was the Roman name a god reputed to be the son of Poseidon who was called the “messenger of the deep".

[5] In April 1914, the Seattle Port Commission granted a permit for the Triton to dock at its Bellevue and Medina piers.

On July 4, 1915, she sailed from the Anderson Steamboat Company dock at Leschi Park for a circumnavigation of Mercer Island.

Captain H. A. Riddle beached the vessel on the south shore of Mercer Island and safely landed the passengers and crew before Triton settled to the bottom on her starboard side.

She is not listed as a company asset as of January 1, 1917 by the Public Service Commission of Washington[11] and drops out of press accounts after her accident.