The team of researchers scuba dived, took water samples and used echo-sounding to find out more about the blue hole. They found that the Taam Ja' blue hole has very steep sides and the mouth is ...

The formation is the Taam Ja’ Blue Hole in Mexico’s Chetumal Bay, and it has so far been measured to 1,378 feet deep, or 420 ...

According to reports, researchers may have stumbled upon what could potentially be the deepest blue hole on Earth—an intriguing underwater sinkhole whose depths appear seemingly endless!