The Button Islands are located in the Canadian Arctic Archipelago

Canadian Arctic Archipelago

The Canadian Arctic Archipelago, also known as the Arctic Archipelago, is a Canadian archipelago north of the Canadian mainland in the Arctic...

 in the territory of Nunavut

Nunavut

Nunavut is the largest and newest federal territory of Canada; it was separated officially from the Northwest Territories on April 1, 1999, via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the actual boundaries had been established in 1993...

. They are surrounded by Ungava Bay

Ungava Bay

Ungava Bay is a large bay in northeastern Canada separating Nunavik from Baffin Island. The bay is shaped like a rounded square with a side length of about and has an area of approximately...

, Hudson Strait

Hudson Strait

Hudson Strait links the Atlantic Ocean to Hudson Bay in Canada. It lies between Baffin Island and the northern coast of Quebec, its eastern entrance marked by Cape Chidley and Resolution Island. It is long...

, Labrador Sea

Labrador Sea

The Labrador Sea is an arm of the North Atlantic Ocean between the Labrador Peninsula and Greenland. The sea is flanked by continental shelves to the southwest, northwest, and northeast. It connects to the north with Baffin Bay through the Davis Strait...

, and they are on the north side of Gray Strait. The Button Islands measure 51 km² (19.7 sq mi).

The Button Islands consist of two groupings of islands lying in a northeast-southwest direction. They are barren, long, and narrow. The two groups are separated by a 0.2 mi (0.321868 km) navigable channel.