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 LakesErie, Huron, Michigan, and SuperiorMichigan 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 206 square miles (530km2). The most populated island is Grosse Ile with approximately 10,000 residents, located in the Detroit River about 10 miles (16 kilometres) 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.

Lake Huron is the second largest of the Great Lakes (after Lake Superior) with a surface area of 23,010 square miles (59,600km2). 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 553, there are thousands more seasonal workers and tourists during the summer months.

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List of islands of Michigan - Wikipedia