Detroit Beach is an unincorporated community and census-designated place (CDP) in Monroe County in the U.S. state of Michigan.

[2] The CDP is located within Frenchtown Charter Township, and as an unincorporated community, Detroit Beach has no legal autonomy of its own.

[6] The community is in Frenchtown Charter Township on the shores of Lake Erie about 3.0 miles (4.8 km) northeast of the city of Monroe.

The area defined by the CDP is bounded on the northeast by South Grove Drive, on the northwest by North Dixie Highway, and on the southwest by the Sandy Creek and Sterling State Park.

Detroit Beach is the main community, but the CDP also extends to include residents and storefronts along North Dixie Highway, as well as the Frenchtown Harbor condominiums and a small portion of Grand Beach.