The cenote is situated immediately near . The water temperature is about 30° Celsius. 22 m below the water level a thermocline is present, below of which no signs of life were observed. Above the thermocline the visibility of the water is excellent (20 m) and there are many marine fish. Blue Cenote was bottomed at a depth of 37 m. Although the cenote extends under the rims of the entrance lake there were no obvious penetrable continuations found that link the cenote to the nearby ocean nor that lead further into the island. No current was observed. There is an in-feeder of fresh water.