Central America › Belize › Caye Caulker
The Great Blue Hole
40 mMax Depth
BoatEntry
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WallCavernSalt Water
About This Site
Perhaps, one of Belize's most famous dive sites. The Great Blue Hole is a giant marine sinkhole near the center of Lighthouse Reef Atoll, a small atoll off the coast of Belize, in the easternmost part of its barrier reef. The hole is circular in shape, stretching 300 meters (984 ft) across and 125 meters (410 ft) deep.