Easily recognizable from space, the Belize Blue Hole, sometimes known as the Great Blue Hole, is one of the most iconic dive spots in Belize.

Here are 10 fascinating facts about the Belize Blue Hole:

1 – Size and Dimensions

The Belize Blue Hole is almost perfectly circular in shape, measuring 300 meters (984 feet) across and 108 meters (354 feet) deep.

2 – The Largest Sea Hole in the World

The Belize Blue Hole is the largest sea hole in the world. Sea holes refer to caves that were submerged when rising waters covered them. Most sea holes, just like the Belize Blue Hole, were submerged at the end of the last great Ice Age some 10,000 years ago.

3 – Location

The Belize Blue Hole is located approximately 100 kilometers (62 miles) offshore of Belize City. The perimeter of the Blue Hole is Lighthouse Reef, a natural coral atoll.

4 – Stalactites and Stalagmites

Divers can explore thousands of stalactites and stalagmites that were formed when the Blue Hole was an aboveground series of caverns.

5 – Jacques Cousteau

Legendary French documentarian and marine biologist Jacques Cousteau visited the Blue Hole in 1971. He later described the Blue Hole as one of his top favorite 10 dive sites in the world.

6 – The Name

The name “Great Blue Hole” comes from British diver Ned Middleton who wrote a book about his career as a diver in 1988 named “Ten Years Underwater”. Although the Blue Hole was charted by the Spanish, no one is sure what name they gave for the region.

7 – Discovery Channel

In 2012, the Discovery Channel ranked the Belize Blue Hole as the #1 most amazing place on Earth.

8 – UNESCO World Heritage Site

The Belize Blue Hole is a UNESCO World Heritage Site, part of a vast barrier reef that is the second-largest barrier reef in the world after Australia’s Great Barrier Reef.

9 – Charles Darwin

In 1836, on his around the world voyage aboard the HMS Beagle, Charles Darwin visited the Belize Barrier Reef and declared it the “most remarkable coral reefs” in the entire Caribbean.

10 – Experienced Divers Only

Due to the challenges of diving the Belize Blue Hole, only divers who have completed at least 24 divers are allowed to explore the Belize Blue Hole.

About The Belize Blue Hole

An almost perfectly circular area of dark topaz water encircled by the Lighthouse Atoll on the Belize Barrier reef, the Great Blue Hole is one of the most intriguing and popular places to dive anywhere on Planet Earth.

Facts About The Belize Blue Hole

1.) The Blue Hole measures about 1,000 feet in circumference and is more than 400 feet deep. It is the largest natural formation of this type found anywhere in the world.

2.) The Blue Hole was formed at the end of the last Ice Age when rising seawaters flooded a series of enormous caverns. Geologists have determined that the caves first formed about 153,000 years ago and were completely submerged approximately 15,000 years ago.

3.) The Blue Hole is approximately 60 miles offshore from Belize City and is part of the Belize Barrier Reef, a UNESCO World Heritage Site.

4.) In 1971, famed French marine biologist Jacques Cousteau visited the Blue Hole with his boat Calypso, declaring it one of the top 10 diving spots on the planet.

5.) The underwater caves of the Blue Hole are filled with giant stalactites, proof that it once existed above water.

6.) The Blue Hole is home to several species of sharks, including bull sharks, Caribbean reef sharks, and the elusive hammerhead shark.

7.) In 2012, the Discovery Channel ranked the Blue Hole as #1 on its list of 10 Most Amazing Places on Earth.

8.) The Blue Hole is visible from space, easily identifiable by its unique circular formation and location within the midst of the greater Belize Barrier Reef.

9.) The name “Blue Hole” was coined by the British diver Ned Middleton in his book “10 Years Underwater” published in 1988.

10.) Due to the complexity of diving required, the Blue Hole is restricted to experienced divers only with a minimum of 24 completed dives.

What It’s Really Like To Dive The Great Blue Hole

The Mysterious Belize Great Blue Hole is a large underwater hole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 100 kilometers (62 mi) from the mainland and Belize City. The hole is perfectly circular in shape, over 300 meters (1000 ft) across, 3140 feet circumference and 125 meters (410 ft) deep.

Read also: Dive the Great Blue Hole of Belize with this Vacation Package

It was formed as a limestone cave system during the last glacial period when the sea level was 400 to 500 feet below present time and was dry land. Last glacial period began about 120,000 years ago and end about 15,000 years ago. Reaching the maximum extension 26,500 years ago. At the end the ocean began to rise, the caves flooded, and the roof collapsed.

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).

The hole itself is the opening to a system of caves and passageway that penetrate this undersea mountain. In various places, massive limestone stalactites hang down from what was once the ceiling of air-filled caves thousand of years before the end of the last Ice Age 15,000 years ago. When the ice melted the sea level rose, flooding the caves. This process occurred in stages. Evidence for this are the shelves and ledges, carved into the limestone by the sea, which run the complete interior circumference of the Blue Hole at various depths.

The Blue Hole is a “karst- eroded sinkhole.” It was once a cave at the center of an underground tunnel complex whose ceiling collapsed. Some of the tunnels are thought to be linked right through to the mainland, though this has never been conclusively proved. Notable are the large population of sharks such as lemon, black tip, reef, hammerhead, and bull sharks.
Mysterious and legends always have been around the Belize Blue Hole.

Read also: Scuba Dive the Great Belize Barrier Reef with this Vacation Package

This was the entrance to Xibalba?. It’s the kind of underwater geology that inspires speculation about aliens creating geometrically perfect anomalies, mermaids and monsters living in darkness.

I explored the bottom of the Blue Hole perimeter (3,140 feet circumference). To do this I dove down twice, reaching the depth of 375′ feet which took 4 to 5 hours of diving each day.
Video Music:
Start to 2:18 min. “Dawn From Four Sea Interludes” by Benjamin Britten
2:18 to 4:37 min. “300 Violin Orchestra” by Jorge Quintero
4:37 to End “Groove Armada” from Tomb Raider Soundtrack

Video and Blog courtesy of Ramon Llaneza

If you would like to explore the wonders of the Belize Blue Hole, the resort of Chabil Mar has a comprehensive scuba diving vacation package that includes a guided trip to the Blue Hole.

For more information about the Blue Hole or Belize, feel free to chat with our Concierge at: concierge@chabilmarvillas.com or contact our Reservations Manager at: reservations@chabilmarvillas.com. Or perhaps you would like to call toll free from the US or Canada: 1-866-417-2377.

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Belize is located in Central America between Mexico’s Yucatan Peninsula and Guatemala. Belize is the only English-speaking country in the region and has a long coastline on the Caribbean Sea.

Although relatively small, Belize has an incredibly diverse landscape, including misty mountains, enormous waterfalls, pristine rivers, savannah, jungles teeming with wildlife, massive cave systems, and hundreds of offshore islands along the Belize Barrier Reef, the second-largest barrier reef in the world.

Misconceptions About Belize

Is Belize an island?

No. Belize is on the mainland of Central America, although it does have hundreds of offshore islands.

Is Belize located in the Caribbean?

Belize has a Caribbean culture as well as a lengthy coastline along the Caribbean, but Belize is not technically “in” the Caribbean as it is located on the mainland of Central America.

Is Belize located in South America?

No. Belize is in Central America. For purists that only consider South and North America to be true continents, Belize would be located in North America.

Is Belize in Honduras?

No. Belize was called British Honduras back during the colonial days, but it got this name because the southern part of the country opens onto the Bay of Honduras. Today, Belize and Honduras are two separate nations separated by a narrow band of land belonging to Guatemala. It takes about two hours with a boat to travel from Punta Gorda in the south of Belize to Puerto Cortez in Honduras.

What’s the Right Way to Spell Belize?

Over the centuries, Belize has been spelled lots of different ways, including Belieze, Belise, Balize, and Beleez. The official name of the country in English is Belize, which you better “Belize” matters to the people who live there!

Facts About Belize

• The official location of Belize is 17 degrees 15 minutes north and 88 degrees 45 west.
• Belize has approximately 360,000 people.
• English is the official language of Belize but other languages spoken in the country include Spanish, Mennonite German, Maya, and Garifuna.
• Belize is about two hours flying time from Miami or Dallas/Houston.
• Belize has 240 miles (386 km) of Caribbean coastline and hundreds of offshore islands.
• Belize has a landmass of around 8,860 square miles (22,960 square km), just a bit bigger than the state of Massachusetts.
• The highest point of land in Belize is Doyle’s Delight at 3,688 feet (1,124 meters).
• Islands in Belize are known as “cayes” (pronounced “keys”).

Belize Maps

Map of Placencia Belize

Map of Placencia and Chabil Mar

Only about 2,000 year-round residents live in the village located on the southern tip of the Placencia Peninsula. The village is a fifteen-minute stroll along the beach or 5-minutes by bike, kayak or paddle board from Chabil Mar. (Click on the Map for Larger Image and to Zoom)

For more information about Belize, feel free to chat with our Concierge at: concierge@chabilmarvillas.com or contact our Reservations Manager at: reservations@chabilmarvillas.com. Or perhaps you would like to call toll free from the US or Canada: 1-866-417-2377.

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