Barnes Lake, Michigan

Barnes Lake is a census-designated place (CDP) in the northwest part of Deerfield Township, Lapeer County, Michigan, United States, surrounding a lake of the same name. It is bordered to the west by the CDP of Millers Lake. M-24 forms the border between the two CDPs; the state highway leads north 12 mi to Mayville and south 9 mi to Lapeer.

Barnes Lake was first listed as a CDP prior to the 2020 census. Previously, the community was part of the Barnes Lake-Millers Lake CDP.