MacColl Island is one of the many uninhabited Canadian arctic islands in Qikiqtaaluk Region, Nunavut. It is located at the confluence of Hudson Strait and the Labrador Sea. The island measures 5 mi long and is 152 m above sea level. It is a member of the Button Islands, situated west of and parallel to Lawson Island. Other islands in the immediate vicinity include Erhardt Island, Holdridge Island, King Island, Leading Island, and Observation Island.