Florida Caverns State Park is located 3 Miles North of Marianna, Off of U.S. 90 on S.R. 166. From Tallahassee: Take I-10 west to exit 142, turn right on Hwy 71 N to Hwy 90, turn left. Follow brown park signs. From Pensacola: Take I-10 East to exit 136, turn left on Hwy 276 N to Hwy 90, turn right. Follow brown park signs.