What is found in the Blue Hole?

A blue hole can be an oasis in an otherwise barren seafloor. Blue holes are diverse biological communities full of marine life, including corals, sponges, mollusks, sea turtles, sharks, and more. The seawater chemistry in the holes is unique and appears to interact with groundwater and possibly aquifer layers.



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Scientists believe the cave formed during the last Ice Age, which ended about 14,000 years ago. The cave flooded and collapsed as the Ice Age ended and sea levels began to rise, leaving behind the Blue Hole we see today. Researchers also predict it won't be around forever.

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Biodiversity is one of the most important reasons why people want to see Great Blue Hole. In particular, this place is home to several shark species including Caribbean reef sharks, nurse sharks, hammerheads, bull sharks, and black tip sharks.

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You don't need to be a recreational diver to travel to the Great Blue Hole to take in all that it has to offer. The experience can be just as magical and unique. You can still swim in the beautiful calm blue water and appreciate how lucky you are to visit such an incredible destination.

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Believed to be the world's largest feature of its kind, the Great Blue Hole is part of the larger Belize Barrier Reef Reserve System, a World Heritage site of the United Nations Educational, Scientific and Cultural Organization (UNESCO).

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Option 2: Scuba diving in the Great Blue Hole Belize. The other way to experience the Great Blue Hole Belize is by scuba diving inside the hole. This of course gives you the experience of seeing inside this incredible sinkhole, not viewing it from above.

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The main big swimming hole when you first enter the park is absolutely deep enough to swim in. Divers have reportedly measured some spots as deep as 20 feet. But it's so freezing cold, between 50-60 degrees in the midst of summer, that you won't want to stay shoulder-deep for long.

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The world's biggest ocean sinkhole is a popular attraction for divers, but at over 400 feet deep, the bottom has remained a mystery. During their trip, the team conducted over 20 dives with the aim of creating a 3D sonar map.

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