3 Belle Isle is a 982-acre (1.534 sq mi; 397 ha) island park in the Detroit River, between the United States mainland and Canada, managed by the Detroit Recreation Department. It is connected to the rest of Detroit, Michigan by the MacArthur Bridge. It is the largest island city park in the United States and the third largest island in the Detroit River after Grosse Ile and Fighting Island.
It is home to the Belle Isle Conservatory (1904), the Detroit Yacht Club on an adjacent island, the Detroit Boat Club, James Scott Memorial Fountain, the Dossin Great Lakes Museum, a Coast Guard station, and a municipal golf facility. The city maintains a Nature Center where visitors are able to traverse wooded trails and view wildlife natural habitats. The island includes a half-mile (800 m) swimming beach.