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Blue Grotto
 3852 NE 172nd Ct, Williston, FL 32696
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Max Depth: 101-110ft/31-34m
Average Viz: 41-50ft/12-15m
Entry Type: Shore
Bottom Composition: Rock
Aquatic Life: Plenty To See
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Spring: 71-75°F/22-24°C
Summer: 71-75°F/22-24°C
Fall: 71-75°F/22-24°C
Winter: 71-75°F/22-24°C
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All you need to dive this 100 ft. cavern is an open water certification!
This is the Blue Grotto sinkhole, not the cave.
Blue Grotto is part of the Florida aquifer system it’s fed by the springs in the area and maintains a constant 72-ish degrees year round. This paradise-like dive destination offers training platforms for students, a great cavern system and a cool fresh air dive bell filled with compressed air from the surface. Don’t forget to say hi to Virgil the resident soft shell turtle.
The dive begins at the mouth of the cavern, which is 80ft wide and 20ft high. Look from topside into the sharp blue of the pool and you will understand why Blue Grotto is well known for its exceptional visibility year round. 30ft below the surface is the only air bell available to spring divers in the region, filled with fresh compressed air that allows you a unique opportunity to stop and talk with your buddy under the water. Descending from there, at 50ft a permanent guideline brings you to the crescent shaped cavern where you will experience an array of fossils along the walls of the chamber and an abundance of aquatic life (bluegill and catfish) waiting for a free handout. But words will not do justice to the experience of diving in this stunning underwater hideaway.
Go dive for yourself!
The Blue Grotto Dive Resort offers a fully equipped dive shop and shelters for your diving gear. Shelters can be reserved via email or phone.
There is also a bathhouse with hot showers.
Bring your friends to enjoy a BBQ on your surface intervals at one of our many picnic pavilions. You can even play basketball while you wait for your gear to dry.
Make sure to ask about our rooms, so you can enjoy the Blue Grotto for as long as you like.