of duck weed covering the water. Sue sink is listed as an emergency exit only for cave divers in the system as ingress and egress is hazardous to the diver and causes soil erosion. Friedman sink is available as an entrance to certified cave divers, and is the furthest upstream entrance to the system. Certified Open Water divers can dive the head spring with lights, as well as the catfish hotel cavern without lights. Certified Cavern divers can dive the catfish hotel cavern with lights, but are not to explore beyond the daylight zone. Cavern divers should also exhibit caution when nearing the siphon side of the catfish hotel cavern, as the flow is immense. Certified and qualified cave divers are able to explore several miles of caverns which feed into the spring. Hours The park is open from 8:00 am till sundown year round. References and external links Manatee Springs State Park at Florida State Parks Manatee Springs State Park at State Parks Manatee Springs State Park at Absolutely Florida Manatee Springs State Park at Wildernet State parks of Florida Parks in Levy County, Florida National Natural Landmarks in Florida Springs of Florida