Florida & USA · United States
Devil's Den
Prehistoric spring inside a cave.
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.
Best dive sites
- Devil's Den Cavern
Best snorkeling spots
- Devil's Den Cavern
What you may see underwater
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 — a Salty Reef Travel Concierge will match you with the right resort, operator, or liveaboard in Devil's Den and handle the details. Always free to you.
Available 24/7 · 727-240-2242 · Our travel concierge service is always free to you.
At a glance
- Region
- Florida & USA
- Country
- United States
- Best season
- Year-round
- Water temp
- 72°F
- Visibility
- 80–100 ft
- Skill level
- All levels
- Flight from US
- Direct
Newsletter
One dispatch a month, straight from the water.