Coats Island (1,544 sq mi/3,999 sq km), E Keewatin dist., N.W.T., Canada, in N part of Hudson Bay, S of Southampton Isl., across Fisher and Evans straits; 80 mi/129 km long, 13 mi/21 km30 mi/48 km wide; 62°35'N 83°00'W. Became reindeer reserve, 1920.