Devil's Den
Protected Area
Waccasassa Bay State Preserve
Why dive here
With 142+ marine species recorded in the area - including dolphins, octopuses, seahorses, sea turtles and mantis shrimp - Devil's Den offers some of Florida Springs's richest cave diving. Water ranges 16-31°C, warmest June, July, August.
Stepping down into Devil's Den feels a bit like entering another world. Sunlight streams through the opening in the rock ceiling, illuminating the cavern below in an almost ethereal way. It's a freshwater spring, so you’re looking at clear, cool water where you’ll spot a few turtles and maybe some mosquitofish darting about. While not a coral reef, the geology here is the star, with ancient rock formations forming a unique backdrop. It's an excellent spot for newer divers to get comfortable in an overhead environment, or for anyone looking for a genuinely unique dive experience away from the ocean.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
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Conditions
Ocean conditions, forecast and tides for Devil's Den
Devil's Den Ocean Conditions
Monthly averages for Devil's Den, sourced from Copernicus Marine Service (EU)
October Averages
Sea Temperature
26°C
78°F · Range: 19.7–27.7°C
Air Temperature
22°C
72°F
Current Speed
2 cm/s
Direction: S (180°)
Salinity
32.94 PSU
Wind Speed
4.3 m/s
8.4 knots
Atmospheric Pressure
1014.6 hPa
Based on 1 years of monitoring data · Data sources: Copernicus Marine Service (EU)
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