[2] Administratively it belongs to the Northeast Greenland National Park.

The inclusion of this island in determining the international boundary between Canadian and Danish waters was formerly a subject of disagreement following a 1973 treaty that left parts of the offshore boundary undefined, until the boundary in the Lincoln Sea was formalized in 2022.

[3][4] Beaumont Island lies in the Lincoln Sea to the NNW of the mouth of Victoria Fjord.

It is located almost 40 km NNE of Cape May, at the northern end of Wulff Land and 20 km west of John Murray Island.

The waters around the island are icebound most of the year.