Sugar Island is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

in the Village of Summit,

Waukesha county Waukesha County () is a county in the U.S. state of Wisconsin. As of the 2020 United States Census, the population was 406,978, making it the third-most populous county in Wisconsin. Its county seat and largest city is Waukesha. Waukesha Co ...

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. It is located on County Trunk Highway O, west of Highway 67, 10 miles east of

Watertown, Wisconsin Watertown is a city in Dodge and Jefferson counties in the U.S. state of Wisconsin. Most of the city's population is in Jefferson County. Division Street, several blocks north of downtown, marks the county line. The population of Watertown was 2 ...

, and 5 miles east of County Trunk Highway R in Summit Wisconsin. The island is surrounded by Lower Lake Nemahbin.

History

The name was originally Sinsibakwado-Minissing, which is Chippewa for at, to, or from Sugar Island. The name was given to the area by the Chippewa tribe, because the Maple Trees would have sugary sap that they would collect once a year from the Island. The island is now a popular vacation spot during the summer for boating and fishing. Notes Unincorporated communities in Dodge County, Wisconsin Unincorporated communities in Wisconsin {{DodgeCountyWI-geo-stub