The following is a description of islands in the Detroit River. The Detroit River is a major waterway in the Great Lakes system, and it flows for 24 nautical miles (44 km; 28 mi) from Lake St. Clair south to Lake Erie. The river serves as a major shipping channel, jointly controlled by the United States and Canada, and it is a major component of the Canada–United States border. The majority of islands are on the American side of the river, which are all within Wayne County in Michigan. The Canadian islands are part of Essex County in Ontario. There are no islands in the Detroit River that are divided by the international border, as Michigan and Ontario share no land borders at any point. Most of the islands are very small and uninhabited, and many of these islands around the southern portion of the river serve as nature reserves as part of the Detroit River International Wildlife Refuge. The largest and most populated island is Grosse Ile, and many islands are part of Grosse Ile Township. Several islands were also artificially created by canals, such as several islands within the city of Gibraltar, as well as Elizabeth Park and Zug Island.
Michigan
Belle Isle
Belle Isle (42°20′35″N 82°58′28″W) is a 982-acre (3.97 km2) island in the northeastern portion of the Detroit River just north of Downtown Detroit. Belle Isle sits at an elevation of 574 feet (175 m) above sea level, and the island has also gone by several historic names. It is the northernmost island in the river just downstream from Lake St. Clair. Because of the curve in the river, Belle Isle is just west of (Southbound on the river) the Canadian Peche Island, which is the easternmost and first island in the river heading South. It is the third-largest island in the river after Grosse Ile and Fighting Island. The island is within the city limits of Detroit but is administered by the Michigan Department of Natural Resources, as the island was designated as a state park named Belle Isle Park in 2014. The island is connected to the mainland by the MacArthur Bridge, which carries East Grand Boulevard and connects to East Jefferson Avenue. Belle Isle has no permanent population. The island is a very popular tourist destination that contains a number of historic structures and events. The entire island is listed as a historic district on the National Register of Historic Places and also as a Michigan State Historic Site. The island itself also contains several lakes, including the Blue Heron Lagoon, Lake Muskoday, Lake Okonoda, Lake Takoma, and several artificial canals. These lakes also contain several unnamed recursive islands (islands within an island).
Calf Island
Calf Island (42°06′11″N 83°10′45″W) is an 11-acre (4.5 ha) island off the southwest coast of Grosse Ile. The island sits at an elevation of 571 feet (174 m) above sea level. The island, which is within Grosse Ile Township, is uninhabited and serves primarily as a nesting location for migrating birds. In 2002, Calf Island became part of the Detroit River International Wildlife Refuge.
Celeron Island
Celeron Island (42°04′51″N 83°10′27″W) is a 68-acre (27.5 ha) island near the mouth of the Detroit River at Lake Erie. Celeron Island is the southernmost island within Grosse Ile Township and sits at an elevation of 571 feet (174 m) above sea level. Due to erosion, it now comprises two separate islands. Celeron Island is uninhabited and administered by the Michigan Department of Natural Resources, as the island was included into Pointe Mouillee State Game Area in 1976.
Cherry Island
Cherry Island (42°04′50″N 83°11′41″W) is an uninhabited island within Brownstown Charter Township just south of the city of Gibraltar. Also referred to as Cherry Isle, the island sits at an elevation of 574 feet (175 m) above sea level. The island is part of Lake Erie Metropark and contains the park's boat launch. Cherry Island is also listed by the GNIS as an unincorporated community and populated place.
Edmond Island
Edmond Island (42°05′01″N 83°11′41″W) is an artificial island within the city of Gibraltar. It separated from the mainland by a narrow canal and is connected to the mainland by a single bridge that carries Young Drive. The island sits at an elevation of 577 feet (176 m) above sea level. It is one of the main populated islands of Gibraltar, and it is sometimes spelled as Edmund Island.
Elba Island
Elba Island (42°06′09″N 83°08′51″W) is an elongated island off the southeast coast of Grosse Ile and is administered by Grosse Ile Township. It is separated from Grosse Ile by the Oldani Marsh. Elba Island contains a single roadway and is connected by a single bridge to Grosse Ile. The island sits at an elevation of 591 feet (180 m) above sea level.
Elizabeth Park
Elizabeth Park (42°07′56″N 83°10′49″W) is an artificial island within the city of Trenton. The island is located on the western shores of the Trenton Channel and sits at an elevation of 591 feet (180 m) above sea level. Once connected to the mainland, it was set off by the construction of a canal by landowner Giles Bryan Slocum in the mid-nineteenth century. The island became known as Slocum's Island, and the property was donated to the county in 1918. The Slocum's Island name has now largely fallen into disuse. Today, the island encompasses the 162-acre (65.6 ha) Elizabeth Park on the northern end and the Trenton Channel Power Plant on the south. The two are separated by the Grosse Ile Parkway, which carries the Wayne County Bridge leading to Grosse Ile.
Fox Island
Fox Island (42°06′22″N 83°08′29″W) is a small and uninhabited island located off the southeast coast of Grosse Ile just east of Elba Island. The island is privately owned and part of Grosse Ile Township. The island sits at an elevation of 587 feet (179 m) above sea level.
Grassy Island
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