  Mule Key Mule Key  Mule Key Mule Key (Caribbean) | |
| Geography | |
|---|---|
| Location | Gulf of Mexico |
| Coordinates | 24°33′43″N 81°51′42″W / 24.562°N 81.861778°W |
| Archipelago | Florida Keys |
| Adjacent to | Florida Straits |
| Administration | |
| State | Florida |
| County | Monroe |
Mule Key is an island in the Florida Keys in Monroe County, Florida, United States. It is within the boundaries of the Key West National Wildlife Refuge.
Located in the Outlying Islands of the Florida Keys, it is the easternmost of the Mule Keys that are 9 miles (15 km) west of Key West.[1]