Dean’s Blue Hole

Second largest underwater cave in the world

Dean’s Blue Hole in the Bahamas is a special place, because just off the beach, there's a very deep hole in the ocean. It's around 202 meters deep. And easy to visit.

But Dean’s Blue Hole is around 727 thousand square meters wide, making it an exciting place for divers. But also for those who like to snorkel, as this place attracts interesting fish and other creatures.

But it’s even a great place just for a swim, with quiet white beaches, lots of greenery and no buildings. And there’s a coral reef just off the beach as well.

Deepest underwater cave in the ocean

The relatively unknown Dragon Hole in the South China Sea is around 300 meters deep. The famous Great Blue Hole in Belize is ‘only’ 108 meters deep. So, Dean’s Blue Hole is bigger and deeper.

Location of Dean’s Blue Hole

Dean’s Blue Hole is just off Long Island, one of the many isles of the Bahamas. The underwater cave was recently elected one of the 77 world wonders in’s internet poll. This list also contains the Grand Canyon, for example.