Welcome to the Michigan BeachGuard System, a public resource that provides information for Michigan beaches including water quality sampling results and beach advisories and closures. 
Keweenaw County Houghton County Ontonagon County Gogebic County Iron County Baraga County Marquette County Dickinson County Menominee County Alger County Delta County Schoolcraft County Luce County Mackinac County Chippewa County Emmet County Cheboygan County Presque Isle County Charlevoix County Antrim County Otsego County Montmorency County Alpena County Leelanau County Benzie County Grand Traverse County Kalkaska County Crawford County Oscoda County Alcona County Manistee County Wexford County Missaukee County Roscommon County Ogemaw County Iosco County Mason County Lake County Osceola County Clare County Gladwin County Arenac County Oceana County Newaygo County Mecosta County Isabella County Midland County Bay County Huron County Tuscola County Sanilac County Muskegon County Ottawa County Kent County Montcalm County Ionia County Gratiot County Clinton County Saginaw County Shiawassee County Genesee County Lapeer County St. Clair County Allegan County Barry County Eaton County Ingham County Livingston County Oakland County Macomb County Van Buren County Kalamazoo County Calhoun County Jackson County Washtenaw County Wayne County Berrien County Cass County St. Joseph County Branch County Hillsdale County Lenawee County Monroe County
Current closures and advisories are displayed above


 

Ontonagon County Beaches


14 Public Beaches
11 Private Beaches
3 Closures and Advisories
Waterbody and Location Name County
Lake Superior - Porcupine Mountains State Park- Union Bay Ontonagon
Lake Superior - Ontonagon Township Park and Campground Ontonagon
Lake Superior - Ontonagon Lakeshore park, Public Shoreline Beach Ontonagon