There’s a spot in the ocean that looks like a portal to another world. The Great Blue Hole, about 43 miles off the mainland of Belize, is a giant sinkhole near the center of Lighthouse Reef.

Located off the coast of Belize, the Great Blue Hole is one of the most magnificently gorgeous parts of the planet, but ...

Like other sea-holes or "vertical caves," the Great Blue Hole in Belize's Lighthouse Reef actually formed on dry land, during a past ice age when the sea level was a lot lower than it is today ...

Belize's Lighthouse Reef Atoll surrounds the Blue Hole, a sunken cave system that is a haven for marine life and scuba divers. Ron Watts/CORBIS In 1971, famed undersea explorer Jacques Cousteau ...

At 984 feet wide and 410 feet deep, the dark blue hole is located at the center of an atoll called Lighthouse Reef.

The famous diving site and natural phenomenon is “the Blue Hole” in Lighthouse Reef in Belize. Getty Images In 2018, a crew from Aquatica Submarines began their descent to the bottom of the ...

Belize's Great Blue Hole Is a Once-in-a-lifetime Destination for Divers—Here's How to Visit Here’s what you need to know before visiting the Great Blue Hole.

The best way to access the Blue Hole and the Mesoamerican Barrier Reef is from Ambergris Caye, the largest island in Belize. Book a day trip to experience the Great Blue Hole, about 45 miles from ...