 The township consists of Drummond Island, the seventh-largest lake island in the world.With an area of , it is also the third-largest lake island in Lake Huron, following Manitoulin Island and St. Joseph Island, and the fifth-largest island in the contiguous United States, following Long Island, Padre Island, the lake island of Isle Royale and Whidbey Island.M-134 extends from the mainland to run through the western portion of the island, connecting with the mainland via the Drummond Island Ferry, which runs between the island and De Tour Village.