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Florida & USA · United States
Devil's Den
Prehistoric spring inside a cave.
5.0Salty Reef rating
Destination snapshot
Best time
Year-round
Water temp
72°F
Visibility
80–100 ft
Skill level
All levels
Flight time (US)
Direct
Great for
Cavern · Photography
Why visit
A submerged spring inside an underground cavern — one of Florida's most photogenic dives.
Devil's Den is a privately owned prehistoric spring in Williston, FL. Crystal 72°F water, ancient rock formations, snorkel or dive.
Best dive sites
- Devil's Den Cavern
Best snorkeling spots
- Devil's Den Cavern
What you may see underwater
Freshwater FishTurtles
Interesting fact
Devil's Den is a prehistoric underground spring inside a rock chimney — divers have recovered fossils of extinct camels, mastodons and giant ground sloths from its floor.
Who this destination is best for
- Beginners
- Photographers
Frequently asked questions
- Is it a real cave dive?
- It's a cavern — open water with light overhead. You do not need cave certification, but training is recommended for deeper penetration.
- How's the water?
- 72°F year-round, gin-clear, and no current.
- Do I need to book?
- Yes — Devil's Den caps daily divers. Reserve weeks in advance for weekends.
Ready to dive Devil's Den?
Tell us your dates and experience level — we'll match you with the right resort and operator, and handle the details.
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