Sipadan Island, Malaysia

Sipadan Island rises 600 meters from the Celebes Sea floor, offering wall diving with tornado-like formations of barracuda and jackfish, alongside green and hawksbill turtles. Daily permits cap at 120 divers—50% stricter than Great Blue Hole, Belize's access—ensuring pristine conditions. A single dive can reveal 30 turtle encounters, with visibility averaging 35 meters, beating the regional average of 20 meters.