Did you know you can see the Blue Hole from space? 5 facts on how this extraordinary geological anomaly was formed.

The Blue Hole is an incredible natural phenomenon and hosts an unparalleled array of fish and coral species. Viewable from space, the structure glows vividly like a turquoise pupil standing alone in the ocean.

Depths plummet 400ft
Depths plummet 400ft

Words cannot even begin to describe the structure’s diverse marine wildlife and divers are able to see all manner of creatures from hammerhead sharks to parrot fish. The coral and stalactites that cling to the walls of the hole merge to create a rich tapestry of bold and brilliant colours.

Here are a few facts that will make you want to pay the famous landmark a visit:

It is housed in the Mesoamerican Reef System — the largest barrier reef in the western hemisphere — and located within the Lighthouse Atoll, 43 miles (70 km) off the coast of Belize. It is one of the world’s top ten dive sites as chosen by the great underwater explorer, Jacques Cousteau.

Largest natural formation

Formed as a limestone cave in the last Ice Age, the unique structure is thought to be over 153, 000 years old. This means that some of the very bases of the stalactites and stalagmites are hundreds of thousands of years old!

The Blue Hole is almost perfectly circular and her width reaches 1000 feet (300 meters) across and her depths plummet 400ft (120 meters) deep. She is the largest natural formation of this kind on our planet.

There are 11 underwater caves dotted around the circumference of the Blue Hole, each varying in size and in depth, and house some unbelievable formations within such as stalactites and stalagmites.

At The Blue Hole we take divers to a maximum depth 130 feet (40 meters) for around eight minutes — although the entire dive takes approximately half and hour. However, if there is a good deal of shark activity (which there usually is) — including bull sharks and Caribbean reef sharks — we will stay under for longer, so that guests catch a good glimpse of the underwater predators.

Over 500 rare forms of bacteria and plant life frequent the area that are found nowhere else in the world. You should also ask your tour guide about the Rattail fish found in 2011 when you are diving in Belize.

blue hole3
Take a blue hole adventure

It is difficult to reach unless you possess a very fast speedboat and the local knowledge needed to navigate the seas. Luckily Blackbird has both in spades, so if diving the Blue Hole has ever been on your bucket list, we can take you there.

The Blue Hole Adventure Day leaves every Tuesday and costs US$200 + $40 (Marine Reserve Fee). A minimum of six people is required. Here at Blackbird, you won’t find a more safety conscious dive crew — as a remote resort our standards are incredibly high. We always go one step further to ensure your safety.

Training for the dive takes place on the Monday before to make sure you are fully prepared for the adventure that awaits. Check out the website for further information about

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