Chumbe Reef

The western flank of Chumbe Island is the park's signature dive: a wall of pristine coral that drops from 1 metre to 20 metres before easing onto a sandy apron. Over 350 coral species have been recorded here — a diversity that rivals some of the world's most celebrated reef systems — and decades of no-take protection means fish biomass is exceptional. Giant humphead parrotfish lumber past in schools of up to 40, their heavy beaks carving chunks from the reef and generating the white sand below your fins.