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  Blue Grotto.

A massive sinkhole angling down to a depth of 100 feet makes this the deepest of the cavern springs on WadesPage. An air bell at 30' adds interest and a million candlepower underwater light system adds to the safety. There is no current, and the water temperature is the constant 72F of Florida's springs. Since it's within a mile of Devil's Den, I recommend doing both in the same day.

Air fills and full equipment rentals are available at the shop, and a complete video tape briefing of the cavern will be given there also. There are covered picnic tables for gearing up.

Devil's Den Diving area at Blue Grotto
Maintain good trim

Gear up at the tables, then carry fins and lights to the floating dock for entry. Use care and proper trim for this dive, as both the bottom of the basin and bottom of the cavern is filled with leafy debris.
It will silt up badly on contact or when finning near it with feet down trim.

I like to descend to the right side, over the rock with the 1960's peace symbol on it, then steeply down the guideline to where the line makes the turn back upward. At this point, where you go next depends on the visibility. The bottom of the cavern is just below, but filled with leafy debris. I've been there when it was crystal clear and also when it was so silty it was difficult to stay on the line when only a few feet from it. Even if it's clear, only visit the bottom if you're sure of your buoyancy control. If you silt it up, you'll be well off the guideline out.

As you exit upward over the large rock, there's a fissure worth exploring on the right. As in Devil's Den, the walls at the intermediate depths have many small shell fossils.

Information and Links


Devil's Den

5390 NE 180th Ave
Williston, Florida 32696
352 528-3344

7 days 8 a.m. - 6 p.m.

$27 per day to dive

Devil's Den