

Best for advanced divers, 1-40m, boat entry, mild current.
The Great Blue Hole is a marine sinkhole located at Lighthouse Reef, Belize. This site features a distinct cavernous topography reaching depths of 40 metres, with an average dive depth of 25 metres. Divers encounter stalactites within the formation. Due to the depth and overhead environment, this site is strictly for advanced divers. Access is by boat only, located 70 kilometres from shore. Conditions include mild currents and visibility ranging from 15 to 60 metres. Water temperatures remain between 26 and 30 degrees Celsius throughout the year. Hazards include decompression risks, nitrogen narcosis, and the deep nature of the site.
17.31582, -87.53468
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Recorded at this site
Depth
Up to 40m
Visibility
15-60m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
26-30°C
Current
Mild
Typical Dive
50 min
Best Time
Jan-Nov, Dec
The site reaches a depth of 40 metres, with an average dive depth of 25 metres.
No, this is an advanced dive due to the significant depth, overhead environment, and potential for nitrogen narcosis.
Yes, both diving and snorkelling are permitted at this site.
Access is by boat only, as the site is located 70 kilometres from the shore.
Diving at Great Blue Hole in Blue Hole requires the following certifications: Open Water, Advanced. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Great Blue Hole in Blue Hole. Water temperatures range from 26°C to 30°C.
The best months to visit Great Blue Hole in Blue Hole are November, December, and January. Conditions outside these months can still be good but are less predictable.
Great Blue Hole in Blue Hole typically has mild currents that most divers can handle comfortably.
Visibility at Great Blue Hole in Blue Hole typically ranges from 15 metres to 60 metres. Conditions vary with weather, tides, and seasons.