Rock Island (Wisconsin)

Rock Island

Rock Island (above and to the center) on June 20, 2016, taken from the International Space Station. The photograph is oriented so north points towards the upper left.
Rock Island Show map of Wisconsin Rock Island Show map of the United States
Geography
Location	Green Bay, Wisconsin
Coordinates	45°24′55″N 86°49′15″W / 45.415322°N 86.820831°W / 45.415322; -86.820831
Area	974.87 acres (394.52 ha)
Length	1.6 mi (2.6 km)
Width	1.1 mi (1.8 km)
Highest elevation	702 ft (214 m)
Administration
United States
State	Wisconsin
County	Door County
Town	Washington Island
Demographics
Population	Uninhabited

Rock Island is a mostly wooded island off the tip of Wisconsin's Door Peninsula at the mouth of Green Bay, in Door County, Wisconsin.^[1] The 974.87-acre (394.5 ha) island is approximately 1.6 miles (2.6 km) long and 1.1 miles (1.8 km) wide. It rises to 65 meters above Lake Michigan, making it the highest in elevation out of all the Potawatomi Islands.^[2] It is almost entirely owned by the Wisconsin Department of Natural Resources, which maintains Rock Island State Park. It is the northernmost part of the town of Washington.