Sucker Lake is an endorheic lake in the municipality of Assiginack, Manitoulin District in Northeastern Ontario, Canada.

[1][2][3] It is on Manitoulin Island about 5 kilometres (3.1 mi) southwest of the community of Manitowaning and about 1.5 kilometres (0.93 mi) southeast of the much larger Lake Manitou.

[2] It has three islands, the largest of which is named Maple island,[2] and there is a prevalent population of brown trout near a shoal off Bubs Island.

[citation needed] The lake can be accessed from Sucker Lake Road, which connects to Ontario Highway 6.

[2] This Northern Ontario geographical article is a stub.