Jacques Cousteau declared Sipadan 'an untouched piece of art,' and the island's vertical walls dropping 2,000 feet remain among diving's most iconic experiences...

The Galapagos Islands offer diving encounters found nowhere else on Earth — schools of 300+ scalloped hammerheads at Darwin and Wolf Islands, marine iguanas gra...

Cocos Island lies 340 miles off Costa Rica's Pacific coast, accessible only by a 36-hour liveaboard crossing — but the reward is arguably the planet's greatest...

The Socorro Islands (Revillagigedo Archipelago) are Mexico's answer to the Galapagos — a remote volcanic chain where giant Pacific mantas, some with 20-foot win...

Tonga is one of the few places on Earth where you can legally swim alongside humpback whales in the open ocean — mothers and calves rest in the warm Vava'u wate...

Isla de la Plata is dubbed the 'Poor Man's Galápagos' — blue-footed boobies nest above while manta rays and sea turtles cruise below. Humpback whales migrate th...

Aliwal Shoal is a fossilized sand dune 5km offshore that attracts an extraordinary density of shark species. Ragged-tooth sharks fill the caves from June to Nov...

Ha'apai is Tonga's most remote island group and the epicentre of the kingdom's humpback whale encounters. From July to October, mothers and calves rest in the w...

Baa Atoll is a UNESCO Biosphere Reserve famous for Hanifaru Bay, where hundreds of manta rays gather in a feeding frenzy during the southwest monsoon. This spec...

Fuvahmulah is the Maldives' most remote single-island atoll, famous for guaranteed tiger shark encounters at the harbour cleaning station. This raw, unpolished...

The Revillagigedo Archipelago (aka Socorro) is Mexico's premier big-animal destination, a UNESCO World Heritage site 24 hours by liveaboard from Cabo. Giant oce...

Isabela is the largest Galápagos island and the gateway to the archipelago's most legendary dive sites — Cape Marshall's hammerhead highways and the cleaning st...

Raja Ampat is the center of the Coral Triangle — 600+ coral species and 1,700 reef fish species, more per hectare than anywhere else measured. Getting here take...

Tubbataha Reefs Natural Park, a UNESCO World Heritage Site in the heart of the Sulu Sea, is accessible only by liveaboard during a narrow March-to-June season....

Komodo National Park delivers adrenaline-fueled diving in nutrient-rich currents that attract massive manta rays and dense schools of pelagics. Above water, the...

Palau's underwater realm is a greatest-hits compilation of diving experiences: the legendary Blue Corner wall with its shark-filled currents, the ethereal Jelly...

The Maldives is synonymous with luxury diving, where overwater bungalows give way to channel dives teeming with grey reef sharks, eagle rays, and the archipelag...

Jardines de la Reina is one of the Caribbean's last great marine wilderness areas, protected as a no-take zone since 1996. Dozens of Caribbean reef sharks circl...

South Ari Atoll is the only place in the Maldives with year-round whale shark encounters, thanks to plankton-rich waters along the outer reef edge. Dhigurah's l...

Bimini is just 50 miles from Miami and has become the go-to destination for close encounters with great hammerhead sharks in winter. Wild Atlantic spotted dolph...

Salt Cay is a tiny, time-capsule island in the Turks where humpback whales pass within metres of divers between January and April. The 7,000-foot wall drops off...

Sanganeb is the Red Sea's only atoll, a UNESCO World Heritage Site rising from deep water 25 km offshore of Port Sudan. Schooling hammerheads, grey reef sharks,...

Vaavu Atoll is the Maldives' least-populated atoll and a magnet for experienced divers seeking adrenaline channel dives. Fotteyo Kandu, consistently rated one o...

Sha'ab Rumi is a legendary reef in the Sudanese Red Sea, home to Cousteau's Conshelf II underwater habitat and the famous 'shark arena' where dozens of grey ree...

Ogasawara is a UNESCO World Heritage archipelago 1,000 km south of Tokyo, reachable only by a 24-hour ferry that runs weekly. The isolation has preserved extrao...