The following is a list of islands of Michigan. Michigan has the second longest coastline of any state after Alaska. Being bordered by four of the five Great Lakes—Erie, Huron, Michigan, and Superior—Michigan also has 64,980 inland lakes and ponds, as well as innumerable rivers, that may contain their own islands included in this list. The majority of the islands are within the Great Lakes. Other islands can also be found within other waterways of the Great Lake system, including Lake St. Clair, St. Clair River, Detroit River, and St. Marys River. The largest of all the islands is Isle Royale in Lake Superior, which, in addition to its waters and other surrounding islands, is organized as Isle Royale National Park. Isle Royale itself is. The most populated island is Grosse Ile with approximately 10,000 residents, located in the Detroit River about south of Detroit. The majority of Michigan's islands are uninhabited and very small. Some of these otherwise unusable islands have been used for the large number of Michigan's lighthouses to aid in shipping throughout the Great Lakes, while others have been set aside as nature reserves. Many islands in Michigan have the same name, even some that are in the same municipality and body of water, such as Gull, Long, or Round islands.
is the second largest of the Great Lakes with a surface area of. Michigan is the only U.S. state to border Lake Huron, while the portion of the lake on the other side of the international border belongs to the Canadian province of Ontario. The vast majority of Michigan's islands in Lake Huron are centered around Drummond Island in the northernmost portion of the state's lake territory. Drummond Island is the largest of Michigan's islands in Lake Huron and is the second largest Michigan island after Lake Superior's Isle Royale. Another large group of islands is the Les Cheneaux Islands archipelago, which itself contains dozens of small islands. Many of the lake's islands are very small and uninhabited. As the most popular tourist destination in the state, Mackinac Island is the most well known of Lake Huron's islands. Drummond Island is the most populous of Michigan's islands in Lake Huron, with a population of 992 at the 2000 census. While Mackinac Island had a population of only about 500, there are thousands more seasonal workers and tourists during the summer months.
Michigan only has islands in Lake Michigan in the northern portion of the lake. There are no islands in the southern half of Lake Michigan. The largest and most populated of Michigan's islands in Lake Michigan is Beaver Island at and 551 residents. Some of the smaller islands surrounding Beaver Island are part of the larger Michigan Islands National Wildlife Refuge.
is the largest of the Great Lakes, and the coastline is sparsely populated. At, Isle Royale is the largest Michigan island and is the center of Isle Royale National Park, which itself contains over 450 islands. The following is a list of islands in Lake Superior that are not part of Isle Royale National Park. For those islands, see the list of islands in Isle Royale National Park.
connects Lake Huron and Lake Erie through the St. Clair River in the north and the Detroit River in the south. At, it is one of the largest non-Great Lakes in the United States, but it only contains a small number of islands near the mouth of the St. Clair River, where all of the following islands are located. The largest of these islands is Harsens Island, and all the islands are in Clay Township in St. Clair County.
Island
Municipality
County
Coordinates
Bruckner Island
Clay Township
St. Clair
Club Island
Clay Township
St. Clair
Dickinson Island
Clay Township
St. Clair
Green Island
Clay Township
St. Clair
Gull Island
Clay Township
St. Clair
Harsens Island
Clay Township
St. Clair
McDonald Island
Clay Township
St. Clair
Middle Island
Clay Township
St. Clair
Muscamoot Ridge
Clay Township
St. Clair
North Island
Clay Township
St. Clair
Russell Island
Clay Township
St. Clair
Sand Island
Clay Township
St. Clair
Strawberry Island
Clay Township
St. Clair
Detroit River
The Detroit River runs for and connects Lake St. Clair to Lake Erie. For its entire length, it carries the international border between the United States and Canada. Some islands belong to Ontario in Canada and are not included in the list below. All islands on the American side belong to Wayne County. Portions of the southern portion of the river serve as wildlife refuges as part of the Detroit River International Wildlife Refuge. The largest and most populous island is Grosse Ile at and a population of around 10,000. Most of the islands are around and closely connected to Grosse Ile.
The St. Marys River connects Lake Superior and Lake Huron at the easternmost point of the Upper Peninsula. It carries the international border throughout its length, and some of the islands belong to neighboring Ontario. The largest of Michigan's islands in the river are Sugar Island and Neebish Island. Wider portions of the river are designated as Lake George, Lake Nicolet, and the Munuscong Lake. The whole length of the Michigan portion of the river is part of Chippewa County.
Island
Municipality
County
Coordinates
Advance Island
Sugar Island Township
Chippewa
Bass Reef Island
Raber Township
Chippewa
Chicken Islands
Soo Township
Chippewa
Cook Island
Sugar Island Township
Chippewa
Duck Island
Sugar Island Township
Chippewa
Edward Island
Raber Township
Chippewa
Gem Island
Sugar Island Township
Chippewa
Gull Island
Raber Township
Chippewa
Hart Island
Soo Township
Chippewa
Hen Island
Soo Township
Chippewa
Hog Island
Sugar Island Township
Chippewa
Island Number Four
Soo Township
Chippewa
Island Number One
Soo Township
Chippewa
Island Number Three
Soo Township
Chippewa
Island Number Two
Soo Township
Chippewa
Lime Island
Raber Township
Chippewa
Love Island
Raber Township
Chippewa
Moon Island
Raber Township
Chippewa
Munuscong Island
Pickford Township
Chippewa
Neebish Island
Soo Township
Chippewa
Pilot Island
Raber Township
Chippewa
Pine Island
Raber Township
Chippewa
Pipe Island
Raber Township
Chippewa
Rains Island
Soo Township
Chippewa
Rock Island
Sugar Island Township
Chippewa
Round Island
Superior Township
Chippewa
Round Island
Raber Township
Chippewa
Sand Island
Soo Township
Chippewa
Steamboat Island
Raber Township
Chippewa
Sugar Island
Sugar Island Township
Chippewa
Twin Island
Raber Township
Chippewa
Two Tree Island
Raber Township
Chippewa
Inland islands
Michigan has numerous inland lakes and rivers that also contain their own islands. The following also lists the body of water in which these islands are located. Five islands below are actually islands within an island; they are contained within inland lakes in Isle Royale.
is a large lake in Presque Isle County. While it is not the largest inland lake in Michigan, it does contain the most inland islands that are officially named. At its shortest distance, it is located less than from Lake Huron, but the two are not connected. Grand Lake contains 14 islands, of which Grand Island is by far the largest.
