Algonac, MI

ZIP code 48001 serves Algonac and nearby mainland areas of Clay Township in southeastern Michigan. Notable landmarks include Algonac State Park, a riverfront park with camping and boating access, and the Algonac–Clay Historical Museum, which presents local maritime and community history. The area borders the St. Clair River, across from Ontario, and is near the river’s outlet into Lake St. Clair; ferry service connects the mainland with Harsens Island.