Dean's Blue Hole is the deepest Blue Hole in the world (twice as deep as any other blue holes in the Caribbean), and the second largest underwater chamber. It is 660 feet deep or 203 meters and approximately 80 x 120 feet round (25 x 35m) at the surface. The hole then forms a neck about 60 feet (20 m) then widens again on the way down to a diameter of 330 ft (100m). It is enclosed on 3 sides by rock cliffs and on the third side is a turquoise lagoon. A powder white beach runs the coastline of the lagoon.
The blue hole is always calm. There are never and waves inside Dean's Blue Hole. Diving into the hole on a clear day is beyond words. It is like diving into a vast underwater cathedral. You will see a school of tarpon, friendly turtles and other tropical reef fish.

No one knows how the hole was formed. Most Blue Holes in the Caribbean are formed when limestone chambers caved in. Guesses state that perhaps two large limestone chambers were close together at the time of a caving.

What every one does know and agree on is that Dean's Blue hole is
one of the most extraordinary geological phenomenan's on Earth.



For a scuba course of the blue hole e-mail Vertical Blue Course at info@verticalblue.net
Click here to view their drawing of the blue hole.


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