Dean's Blue Hole
Why dive here
With 531+ marine species recorded in the area - including barracuda, dolphins, dwarf minke whales, humpback whales and lemon sharks - Dean's Blue Hole offers some of Nassau & New Providence's richest wall diving. Water ranges 25-30°C, warmest July, August, September.
Okay, so Dean's Blue Hole in Nassau & New Providence. It's a proper blue hole, a big sinkhole plunging down. While the full depth is for freedivers doing the Vertical Blue competition, the upper section offers some interesting wall diving. We've explored down to about 35 meters there, finding a good mix of turtlegrass and manatee grass along the edges, and sometimes spotting Milk Conchs or Deltoid Rock Shells. The visibility is usually excellent, making it a good spot for divers comfortable with depth and a bit of open water feeling.
Reviews for Dean's Blue Hole
Conditions
Ocean conditions, forecast and tides for Dean's Blue Hole
Dean's Blue Hole Ocean Conditions
Monthly averages for Dean's Blue Hole, sourced from NOAA buoy & Copernicus Marine data - nearest station: 8723214 - Virginia Key, FL (295km away)
August Averages
Sea Temperature
30.38°C
87°F · Range: 29.3–34°C
Air Temperature
29.6°C
85°F
Current Speed
8.25 cm/s
Direction: N (346°)
Chlorophyll-a
0.042 mg/m³
Very clear (oligotrophic)
Salinity
36.83 PSU
Wind Speed
3.6 m/s
7.0 knots
Atmospheric Pressure
1016.2 hPa
Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)
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