Twin Lake is an unincorporated community in Muskegon County of the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes. Local government services are provided by Dalton Township. As of the 2000 census, the community population was 1,613. It is the home of Blue Lake Fine Arts Camp, the YMCA's Camp Pinewood, the Boy Scouts' Gerber Scout Reservation and Owasippe Scout Reservation.
The Twin Lake CDP includes only the areas surrounding the Twin Lakes and the nearby North Lake and West Lakes in the northeast corner of Dalton Township. The Twin Lake ZIP code 49457 serves a much larger area, including much of northern and eastern Dalton Township, most of Cedar Creek Township to the east, parts of northern Egelston Township and Muskegon Township to the south, much of Blue Lake Township to the north and the southwest corner of Holton Township.