Illinois

Indiana

Iowa

• Beaver Island, Clinton County, Iowa
• Chaplain Schmitt Memorial Island, in the Mississippi River, in Dubuque, Iowa
• Credit Island, in the Mississippi River, in Davenport, Iowa
• Sabula, Iowa, the site of Iowa's only island city

Kansas

• Ackerman Island, former island in Wichita
• Franks Island
• Kickapoo Island - historical
• Nelson Island
• Stigers Island

Michigan

• Amygdaloid Island, part of Isle Royale National Park
• Beaver Island, inhabited island in Lake Michigan
• Beaver Island, small island in Lake Superior
• Belle Isle, city park in Detroit in the Detroit River
• Bois Blanc Island, inhabited island in Lake Huron
• Calf Island, part of Detroit River International Wildlife Refuge
• Charity Island, in Saginaw Bay, Lake Huron
• Cherry Island, Potagannissing Bay at the south end of the St. Marys River
• Copper Island , tip of Keweenaw Peninsula
• Crooked Island, Lake Huron
• Crow Island, in Saginaw River, site of Crow Island State Game Area
• Diamond Island, in Diamond Lake (Michigan)
• Drummond Island, inhabited island in Lake Huron
• Frying Pan Island, St. Marys River, had lighthouse
• Garden Island Lake Michigan
• Gard Island, Lake Erie, owned by University of Toledo
• Gull Island, any of a dozen small islands
• Grand Island, location of Grand Island National Recreation Area
• Granite Island, site of lighthouse in Lake Superior
• Grassy Island, part of Detroit River International Wildlife Refuge
• Grosse Ile, inhabited island in Detroit River
• Harbor Island National Wildlife Refuge
• Harsens Island, inhabited island in Lake St. Clair
• Hickory Island, southern end of Grosse Ile
• Higgins Island,
• High Island, Lake Michigan
• Hog Island, Lake Michigan
• Horse Island, Lake Erie, near Gibraltar
• Huron Islands, Lake Superior, has lighthouse
• Indian Island, Lake Erie
• Ile Aux Galets, Lake Michigan, location of Skillagalee Lighthouse
• Isle Royale, location of Isle Royale National Park in Lake Superior
• Katechay Island, in Saginaw Bay, Lake Huron
• Les Cheneaux Islands, group of 36 inhabited islands in Lake Huron
• Lime Island, in St. Marys River
• Little Charity Island, in Saginaw Bay, Lake Huron
• Little Summer Island, Lake Michigan
• Long Island (Michigan)
• Mackinac Island, inhabited island in Lake Huron
• Manitou Island, Lake Superior, site of lighthouse
• Marquette Island, Lake Huron, one of the Le Cheneaux group
• Michigan Islands National Wildlife Reserve
• Middle Island, Lake Huron
• Mud Island, part of Detroit River International Wildlife Refuge
• Naubinway Island, Lake Michigan, site of lighthouse
• Neebish Island, inhabited island in St. Marys River
• North Island, Saginaw Bay, Lake Huron
• North Cape, in Lake Erie
• North Fox Island, state-owned island in Lake Michigan
• North Manitou Island, part of Sleeping Bear Dunes National Lakeshore
• Ojibway Island, in Saginaw River
• Passage Island, Isle Royale National Park, has lighthouse
• Peach Isle, in Detroit River, site of Peach Isle Range Lighthouse
• Pipe Island, St. Marys River, had lighthouse
• Poverty Island, Lake Michigan
• Power Island, also called Ford Island and Marion Island, a Grand Traverse County park
• Round Island, Chippewa County, in Lake Superior, has lighthouse
• Round Island, Chippewa County, in St. Marys River, has lighthouse
• Round Island, Alpena County, in Lake Huron, site of lighthouse
• Round Island, Delta County, in Green Bay in Lake Michigan
• Round Island, Delta County, in Big Bay De Noc in Lake Michigan
• Round Island, Keweenaw County, off Isle Royale in Lake Superior
• Round Island, Mackinac County, off Mackinac Island in Lake Huron, has lighthouse
• Round Island, Presque Isle County, in Grand Lake
• Round Island, Wayne County, at southern tip of Grosse Ile in Lake Erie
• St. Helena Island, Lake Michigan, site of lighthouse
• St. Martin Island, Lake Michigan, has lighthouse
• South Island, Saginaw Bay, Lake Huron
• South Fox Island inhabited island in Lake Michigan
• South Manitou Island, part of Sleeping Bear Dunes National Lakeshore
• Stoney Point Island, Lake Erie
• Squaw Island, Lake Michigan
• Sugar Island, inhabited, includes part of Bay Mills Indian Reservation
• Summer Island, Lake Michigan
• Thunder Bay Island, Lake Huron, site of lighthouse
• Trout Island, Lake Michigan
• Turtle Island, Lake Erie
• Whiskey Island, Lake Michigan
• Washington Island, part of Isle Royale National Park
• Waugoshance Island, Lake Michigan
• Zug Island, part of Ford Motor Company's River Rouge Plant

Minnesota

Missouri

Nebraska

• Goat Island (On the Missouri River, between Vermillion, SD, and Yankton, SD.)

North Dakota

• Grahams Island
• Gros Ventres Island (historical)

Ohio

• Ballast Island
• Bass Islands
  • Middle Bass Island
    • Sugar Island (lies northwest of Middle Bass Island)
  • North Bass Island
  • South Bass Island
• Buckeye Island
• Gibraltar Island
• Green Island
• Gull Island (former)
• Johnson's Island
• Kafralu Island
• Kelleys Island
• Lost Ballast Island
• Mouse Island
• Rattlesnake Island
• Starve Island
• Turtle Island
• West Sister Island

South Dakota

• Goat Island (part)

Wisconsin

• Apostle Islands
  • Basswood Island
  • Bear Island
  • Devils Island
  • Cat Island
  • Eagle Island
  • Gull Island
  • Hermit Island
  • Ironwood Island
  • Long Island
  • Madeline Island, contains the Town of La Pointe (population 250)
  • Manitou Island
  • Michigan Island
  • North Twin Island
  • Oak Island
  • Otter Island
  • Outer Island
  • Raspberry Island
  • Rocky Island
  • Sand Island
  • South Twin Island
  • Stockton Island
  • York Island
• Adventure Island
• The Ansul Islands
• Baker's Island
• Barker's Island
• Bergmann Island
• Brunet Island (part of a State Park)
• Cana Island
• Chambers Island
• Detroit Island
• Doty Island
• Duck Island
• Fish Island
• French Island, contains the Town of Campbell (population 4,410)
• Gravel Island
• Green Island
• Hat Island
• Hog Island
• Horseshoe Island
• Jones Island, Milwaukee
• Leslie Island
• Pilot Island
• Plum Island
• Rock Island
• The Sister Islands
• Spider Island
• The Strawberry Islands
• Sugar Island
• Washington Island, contains the Town of Washington (population 660)
• Willow Island (Wisconsin)