The community of Devils Lake is at the northern end of Devils Lake on U.S. Route 223 at . Manitou Beach is at the southwest end of Devils Lake at , approximately southwest of Devils Lake and about east-southeast of Addison. Geneva is at the south end of the smaller Round Lake to the southeast, at . The CDP includes the entire shoreline around Devils Lake and Round Lake. The Manitou Beach post office, with ZIP code 49253, serves most of the area of the CDP except for a small area west of Devils Lake served by the Addison ZIP code 49220. The Manitou Beach ZIP code also serves areas beyond the CDP area, including parts of southeast Woodstock Township, southwest Cambridge Township, northwest Rome Township, and central and northeast Rollin Township.