Rasdhoo and Ari Atoll is the place where the best chances of seeing hammerheads. The season to see hammerheads is Jan-Apr, and the chance to see them is 50/50. These days, it is also possible to see sharks.
Between November and April, manta rays slip into the atoll through the northern channel in search of a cleaning station, known as Manta Block. All you need to do is sit back, relax, and enjoy the show.
Madivaru Corner is arguably the Atoll’s most famous site. Reaching out across one of the southern channels, a horse-shoe shaped ridge is patrolled by grey reef sharks,whitetip sharks , and schools of eagle rays.