Fushifaru Kandu

Boats time the descent to the tide, dropping divers at the channel entrance where the reef walls begin and the current is ready to carry the group through. The deeper channel is where the bigger animals show. Grey reef sharks hold in the flow off the overhangs and walls, eagle rays cruise the slope, and schools of jacks and fusiliers stream past in the blue. The 8-metre corner falls away to 30 metres of sand, coral, and rock, with swim-through canyons cut into the structure.

Then the dive changes character at Fushifaru Thila. The pace drops. Divers settle low near the coral pinnacle and hold position while reef mantas circle and hover overhead, cleaner wrasse working across their skin and gills. It is slow and hypnotic, the opposite of the channel drift that preceded it. Around the headline mantas and sharks, the slopes and plateaus carry the usual Maldivian reef crowd: angelfish and butterflyfish, the odd turtle, barracuda, moray, and lionfish.

Current is the organising fact of the whole dive. A reef hook earns its place at the channel, and the safety stop is usually a free drift with an SMB up.

You dive this manta cleaning station. That is the line that sets Fushifaru apart from the country's most famous manta site, Hanifaru Bay, where scuba is banned and the spectacle is snorkel-only. Here a diver can hang quietly below the cleaning station and watch reef mantas at arm's length rather than from the churn at the surface. One Lhaviyani encounter described a manta within touching distance for half an hour.

The second draw is what shares the water with the mantas. Fushifaru pairs the protected cleaning station with one of the strongest grey reef shark presences in the country, all in a single tidal window. It is the channel that delivers protected-area mantas and sharks together, which is why for many divers it is the reason to dive Lhaviyani rather than a generic atoll stop.

Dive the tide. The whole experience hinges on the current cycle, so entries are timed and often negative to position you at the channel entrance before the drift takes over. Carry a reef hook and an SMB. The hook holds you in the flow at the channel; the marker runs your free-drift safety stop and keeps the boat tracking you at a busy channel mouth.

For the mantas, aim at the September-to-February transition and ask the operator where the plankton, and therefore the rays, is concentrating that day. The productive side of the channel moves with the monsoon. At the cleaning station, keep your distance: stay low, hold position, and do not chase or crowd the animals. Nitrox is worth it across the repeated 25-to-30-metre profiles.