Blue Grotto

Blue Grotto in Williston is home to the largest accessible underwater cavern in north-central Florida.
Sport divers can reach depths of 60 feet while still keeping the entrance clearly in sight. It's one of just four sites in the region where you only need an Open Water Diver certification to experience a safe, enjoyable cavern dive.
Water temperatures are a constant 72° F year-round. Visibility often exceeds 100 feet. Additional features include:
A large dock makes entering and exiting easy.
Large bathhouses with warm showers inside and out.
Cabins, cottages, tent camping and RV slots on site.
Instructors can take advantage of our classroom, pool, covered pavilions and training platforms.
On-site air and Nitrox fills.