Stac Lee (Scottish Gaelic: Stac Lì) is a sea stack in the St Kilda group, Scotland. An island Marilyn, it is home to part of the world's largest colony of Northern Gannet.
Martin Martin called the island "Stac-Ly" other sources call it "Stac Lii."
Stac Lee is located in the North Atlantic and forms part of the St Kilda archipelago of the Outer Hebrides. Lying in the north east of the St Kilda group, Stac Lee is around 7 km (4 mi) north east of Hirta, the main island, and 550 m (600 yards) west of the west cape of the island of Boreray.