Dean's Blue HoleAbout Dean's Blue Hole
Dean’s Blue Hole is a marine sinkhole on Long Island in the Bahamas, located near the settlement of Clarence Town, known for its exceptionally deep, steep-walled blue hole. The hole plunges straight down from a protective rim and connects to the ocean.
The feature is noted for its great depth, vertical walls and clear water, which have made it a destination for freedivers, snorkelers and photographers. The sheltered mouth and deep blue column of water create striking visual contrast with the surrounding reef and shoreline.
The feature formed through coastal karst and sea-level changes that flooded a collapse sinkhole; over time it became a singular deep blue hole adjacent to shallow reef flats. Its consistent depth and protected conditions have established it as a recurrent site for freediving training and competitions.
Dean’s Blue Hole lies on the west coast of Long Island, the Bahamas, a short distance from the small settlement of Clarence Town and is reachable by local roads and short boat trips along the island’s coast.
- Depth: The vertical sinkhole reaches roughly 202 metres (about 663 feet) in depth, making it one of the deepest known saltwater blue holes in the world.
- Freediving hub: The site is a global centre for freediving and frequently hosts international freediving events and training sessions.
Best Time to Visit Dean's Blue Hole
Winter months are prime for stable conditions; avoid the peak hurricane season for safety.
Weather & Climate near Dean's Blue Hole
Dean's Blue Hole's climate is classified as Tropical Savanna - Tropical Savanna climate with hot summers (peaking in August) and warm winters (coldest in January). Temperatures range from 19°C to 32°C. Moderate rainfall (922 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Excellent | 19° - 25° | 22° | 50 mm | some cloud | 75% | 4.0 m/s | 1.2 high | 10.7h |
| February | Ideal | 20° - 26° | 23° | 35 mm | mostly sunny | 75% | 4.8 m/s | 1.6 very high | 11.3h |
| March | Ideal | 21° - 27° | 24° | 30 mm | some cloud | 74% | 4.3 m/s | 2.0 extreme | 11.9h |
| April | Excellent | 22° - 28° | 25° | 48 mm | some cloud | 75% | 4.5 m/s | 2.3 extreme | 12.6h |
| May | Excellent | 24° - 29° | 26° | 96 mm | partly cloudy | 78% | 4.7 m/s | 2.2 extreme | 13.1h |
| June | Excellent | 24° - 30° | 31° | 111 mm | partly cloudy | 79% | 3.8 m/s | 2.3 extreme | 13.4h |
| July | Excellent | 25° - 31° | 32° | 55 mm | some cloud | 77% | 5.5 m/s | 2.5 extreme | 13.3h |
| August | Very Good | 25° - 32° | 33° | 81 mm | some cloud | 77% | 4.9 m/s | 2.4 extreme | 12.8h |
| September | Excellent | 25° - 31° | 32° | 105 mm | partly cloudy | 77% | 5.6 m/s | 2.0 extreme | 12.2h |
| October | Very Good | 24° - 30° | 27° | 173 mm | partly cloudy | 77% | 5.4 m/s | 1.6 very high | 11.5h |
| November | Excellent | 23° - 28° | 26° | 85 mm | partly cloudy | 75% | 6.9 m/s | 1.3 high | 10.9h |
| December | Excellent | 22° - 27° | 24° | 53 mm | some cloud | 76% | 5.3 m/s | 1.0 high | 10.6h |
How to Get to Dean's Blue Hole
Dean’s Blue Hole is located near Clarence Town on Long Island. Visitors typically fly into North Eleuthera or Nassau and connect by domestic flights or ferries to Long Island; local taxis and short drives take visitors from Clarence Town to the blue hole area.
Tips for Visiting Dean's Blue Hole
- If planning to watch or study freediving, check event schedules-Dean's Blue Hole hosts international competitions.
- Use a local boat operator to reach the blue hole safely for snorkeling or diving; currents can be deceptively strong offshore.
- Sunsets here are spectacular and fewer people remain after mid- to late afternoon.