The following is a list of named islands of the state of Wisconsin. According to the

USGS The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, a ...

, there are 431 named islands, and many more unnamed ones among Wisconsin's 15,074 lakes.Wisconsin Dept. of Natural Resources,
Wisconsin Lakes
''. 2009. Wisconsin borders both

Lake Michigan Lake Michigan is one of the five Great Lakes of North America. It is the second-largest of the Great Lakes by volume () and the third-largest by surface area (), after Lake Superior and Lake Huron. To the east, its basin is conjoined with that o ...

and

Lake Superior Lake Superior in central North America is the largest freshwater lake in the world by surface areaThe Caspian Sea is the largest lake, but is saline, not freshwater. and the third-largest by volume, holding 10% of the world's surface fresh wa ...

producing many of the state's islands. The

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

also has many islands on the state's western boundary. Wisconsin has many rivers including the

Wisconsin River The Wisconsin River is a tributary of the Mississippi River in the U.S. state of Wisconsin. At approximately 430 miles (692 km) long, it is the state's longest river. The river's name, first recorded in 1673 by Jacques Marquette as "Meskousi ...

and Fox River.

Great Lakes

Lake Michigan

Many of the Wisconsin's islands in

are around the Door Peninsula. Islands in Green Bay include those in and around the Green Bay Breakwater. Washington Island is Wisconsin's largest in Lake Michigan and also has a year-round population of 708 as of the 2010 census. The island has a ferry service and operates

Washington Island Airport Washington Island Airport is a town owned public use airport located on Washington Island (Wisconsin), Washington Island, in the Washington, Door County, Wisconsin, Town of Washington, Door County, Wisconsin, United States. It is included in the ...

for air travel. Rock Island is a

state park State parks are parks or other protected areas managed at the sub-national level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural ...

that can only be accessed by ferry from Washington Island. Plum Island is home to a former Coast Guard

Life-Saving Station Lifesaving is the act involving rescue, resuscitation and first aid. It often refers to water safety and aquatic rescue; however, it could include ice rescue, flood and river rescue, swimming pool rescue and other emergency medical services ...

and historic

range lights Leading lights (also known as range lights in the United States) are a pair of light beacons used in navigation to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night ...

. The islands surrounding the northern part of the peninsula are outcroppings of the

Niagara Escarpment The Niagara Escarpment is a long escarpment, or cuesta, in Canada and the United States that runs predominantly east–west from New York through Ontario, Michigan, Wisconsin, and into Illinois. The escarpment is most famous as the cliff over ...

*Texas Rock is officially classified as an island, but is only above the surface of the water with very low water levels.

Lake Superior

Wisconsin's northernmost point is on Devils Island, part of the

Apostle Islands The Apostle Islands are a group of 22 islands in Lake Superior, off the Bayfield Peninsula in northern Wisconsin. The majority of the islands are located in Ashland County—only Sand, York, Eagle, and Raspberry Islands are located in Ba ...

. It has a population of 302 as of the 2010 census. It can be reached by ferry and airplanes at

Major Gilbert Field Airport Major Gilbert Field Airport, also known as Madeline Island Airport, is a town-owned public use airport located 2 miles (3 km) northeast of the central business district of La Pointe, Wisconsin, a town in Ashland County, Wisconsin, ...

. The Islands are part of the Apostle Islands National Lakeshore and are featured in Wisconsin's America the Beautiful quarter. Devils Island Seacaves Lake Superior

York Island Apostle Island National Lakeshore

Inland Lake and River Islands

There are 377 named islands in inland lakes, rivers and marshes, and many more unnamed islands. Over half of the named islands are in the

, Beaver Dam Lake or

Horicon Marsh Horicon Marsh is a marsh located in northern Dodge and southern Fond du Lac counties of Wisconsin. It is the site of both a national and a state wildlife refuge. The silted-up glacial lake is the largest freshwater cattail marsh in the United Sta ...

References

{{Lists of islands by U.S. state Islands of Wisconsin

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

Islands

Great Lakes

Lake Michigan

Lake Superior

Inland Lake and River Islands

See also

References