Diving in the Pacific Islands

Bull sharks gather year-round at a managed feeding site in Shark Reef.

Sunken WWII battleships and a US carrier lie deep in a former nuclear test lagoon.

A pinnacle rising 900 m from the seabed to within metres of the surface

Dozens of intact WWII wrecks rest in one sheltered lagoon.

A 200-meter troopship wreck is entered straight from the beach.

Hundreds of grey reef sharks pack South Pass during the June grouper spawn.

Touch a First and a Second World War wreck at the same time

A hundred kilometres of barrier reef with almost no divers on it

Manta rays glide through diver spotlights on Kona's nightly manta dive.

Unbroken hard coral on an island that sees a few hundred divers a year

Ride a channel that flushes a forty-kilometre lagoon on the tide

Humpback song carries through every dive from December to April

Sicklefin lemon sharks patrol the outer reef passes year-round.

A 38 m chimney built by freshwater springs venting inside the lagoon

Banded sea kraits are seen resting in caves on nearly every dive.

Hooked into the reef at Blue Corner while grey reef sharks patrol the current

Hammerheads and grey reef sharks hold in Palikir Pass's blue water.

Soft corals turn ghostly white along the current-fed Great White Wall.

Dolphins ride the tidal current alongside sharks in Tiputa Pass.

Volcanic arches and lava tunnels sit in some of the clearest water on Earth.

Forty-metre visibility over lava caves and canyons, straight off the reef

Swim out of a collapsed limestone cavern into the open Pacific

Lava tubes and drop-offs, with a marine reserve walkable from Apia

A pass so packed with fish Cousteau's team singled it out

Mariner's Cave hides an air pocket behind a submerged limestone entrance.

Resident manta rays cruise cleaning stations on nearly every dive.