| Peninsula State Park | |
|---|---|
IUCN category V (protected landscape/seascape) | |
 Aerial view; Fish Creek is the developed area on the left | |
   | |
| Location | Door, Wisconsin, United States |
| Coordinates | 45°9′4″N 87°13′3″W / 45.15111°N 87.21750°W |
| Area | 3,776 acres (15.28 km2) |
| Established | 1909 |
| Governing body | Wisconsin Department of Natural Resources |
| Website | Peninsula State Park |
Peninsula State Park is a 3,776-acre (1,528 ha) Wisconsin state park with eight miles (13 km) of Green Bay shoreline in Door County. Peninsula is the third largest state park in Wisconsin and is visited by an estimated one million visitors annually.