The Great Blue Hole is a massive marine sinkhole in the Caribbean, situated off the coast of Belize. Its diameter is 1,043 feet, and its depth reaches 407 feet.

Narrator: There's a massive underwater sinkhole off the coast of Belize that extends 125 meters into the Earth's crust. It's called the Great Blue Hole. Scuba divers and snorkelers have been ...

Belize, often overlooked in the vast Central American terrain, is steadily becoming the continent's best-kept secret. But ...

The Great Blue Hole is located about 60 miles off the coast of Belize along the Lighthouse Reef Atoll. You can visit the Great Blue Hole with a number of dive services that operate out of Belize ...