Islands of the state of Wisconsin

Location of Wisconsin within the United States
Geography
Location	Wisconsin
Major islands	Washington Island,Doty Island,Madeline Island,French Island
Administration
United States
State	Wisconsin

The following is a list of named islands of the state of Wisconsin. According to theUSGS, there are 431 named islands,^[1] and many more unnamed ones among Wisconsin's 15,074 lakes.^[2] Wisconsin borders bothLake Michigan andLake Superior producing many of the state's islands. TheMississippi River also has many islands on the state's western boundary. Wisconsin has many rivers including theWisconsin River andFox River.

Many of the Wisconsin's islands inLake Michigan are around theDoor Peninsula.^[3] Islands inGreen 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 operatesWashington Island Airport for air travel.^[4]Rock Island is astate park that can only be accessed by ferry from Washington Island.Plum Island is home to a former Coast GuardLife-Saving Station and historicrange lights.^[5] The islands surrounding the northern part of the peninsula are outcroppings of theNiagara Escarpment.

• Texas Rock is officially classified as an island, but is only above the surface of the water with very low water levels.^[6]

Wisconsin's northernmost point is onDevils Island, part of theApostle Islands inLake Superior. It has a population of 302 as of the 2010 census. It can be reached by ferry and airplanes atMajor Gilbert Field Airport. The Islands are part of theApostle Islands National Lakeshore and are featured in Wisconsin'sAmerica the Beautiful quarter.^[7]

There are 377 named islands in inland lakes, rivers and marshes, and many more unnamed islands.^[8] Over half of the named islands are in theMississippi River,Wisconsin River,Beaver Dam Lake orHoricon Marsh.