Florence J. was a small gasoline-powered vessel built in 1913 or 1914 at Dockton, Washington.

The vessel is chiefly remembered for having capsized immediately upon being launched.

Florence J. was built to replace the Rene, then owned by Union Oil Service and running on Puget Sound.

[1] The vessel was equipped with an 80-horsepower (60 kW) Frisco Standard gasoline engine.

[1] Florence J. is chiefly known for the major failure that accompanied the launching of the vessel, which was recorded by the important Puget Sound maritime photographer Asahel Curtis.