The Cape Chidley Islands are members of the Arctic Archipelago in the territory of Nunavut. They are located in the Labrador Sea at the south end of the entrance to the Hudson Strait, north of Killiniq Island's Cape Chidley, and separated from Killiniq Island by the MacGregor Strait. Cabot Island is the eastern of the two islands and is 2 mi long. It has two summits, the northern one being 401 m above sea level, and the southern one being 325 m high. Pert Island is the smaller of the two islands and is located 0.5 mi mile to the west. Its highest point is 385 m above sea level. Port Burwell lies 20 km west of Pert Island.