Great Blue Hole

Lighthouse Reef
Belize District, Belize

Great Blue Hole
Photo: USGS (United States Geological Survey) License: Public Domain
The Great Blue Hole is a large underwater sinkhole. The hole is circular in shape, over 300 m (984 ft) across and 124 m (407 ft) deep. It is the most popular scuba diving destination in Belize.

Map of the Area Around
Great Blue Hole

Great Blue Hole Categories

  • Natural Landmarks

    The Great Blue Hole is an underwater sinkhole or vertical cave that formed during the last ice age when the sea level was much lower. When the weather warmed and the sea level rose, the hole was flooded with water.


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