It's called the Great Blue Hole. Scuba divers and snorkelers have been cruising the surface waters for decades, but few have dared to venture deeper and explore what lies beyond the blackness.

Like a pinprick piercing the azure Caribbean Sea, the Great Blue Hole is as mysterious as it is mesmerizing. From above, this almost perfectly circular underwater sinkhole is a deep, dark bullseye ...

Named for its deep turquoise, crystal-clear water, the Blue Hole is located a little over a mile from the heart of Ocho Rios. Past visitors have said a trip to this natural wonder is a must-do ...