Hat Island (Wisconsin)
| Geography | |
|---|---|
| Location | Green Bay |
| Coordinates | 45°06′08″N 087°19′04″W / 45.10222°N 87.31778°W |
| Area | 8 acres (3.2 ha) |
| Highest elevation | 581 ft (177.1 m) |
| Administration | |
| State | Wisconsin |
| County | Door County |
| Town | Gibraltar |
Hat Island is an island in Green Bay in Door County, Wisconsin. The island is part of the Town of Egg Harbor, and lies offshore from the community of Juddville. Hat Island is privately owned.