Goodwin 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, a member of the Button Islands, is situated west-northwest of Lacy Island. It has a peak of 178 m (584 ft).

Other islands in the immediate vicinity include Erhardt Island, King Island, Lawson Island, MacColl Island, and Observation Island.