Stevenson Island is a small, uninhabited island in Yellowstone Lake, Teton County, Wyoming.

[4] The island is long and narrow, generally oriented north to south.

It is approximately 250 meters (820 feet) wide at its widest point and 1,800 meters (1.1 miles) long at its longest point.

[5] It is about 2.5 kilometres (1.6 mi) from the west shore of Yellowstone Lake, where Weasel Creek enters the lake.

This article about a location in Wyoming is a stub.