Silfra is unlike any dive on Earth — you float between the North American and Eurasian tectonic plates in glacial spring water filtered through lava rock for de...

Cenote Dos Ojos ('Two Eyes') is one of the world's longest surveyed underwater cave systems, where visibility exceeds 80 metres in the halocline zone. Light fil...

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....

Cozumel's reputation as the drift diving capital of the world is well earned — gentle-to-moderate currents carry divers effortlessly along spectacular walls and...

The Cayman Islands offer a polished Caribbean diving experience with legendary sites like Stingray City — where you kneel on sand surrounded by friendly souther...

Turks and Caicos delivers sheer wall diving along the Columbus Passage, where the continental shelf drops thousands of feet into the deep Atlantic. During winte...

Niue is a single raised coral atoll in the South Pacific with some of the clearest water on Earth — 60-metre visibility is routine. Shore-entry dives drop into...

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 Great Blue Hole is diving's most recognizable natural wonder — a near-perfect 1,000-foot-wide circle of deep blue surrounded by the shallow turquoise of Lig...

Niihau, Hawaii's privately owned 'Forbidden Island,' offers some of the clearest water in Hawaii with visibility regularly exceeding 40 metres. Access is strict...

The Rowley Shoals are three coral atolls rising from 400-metre depths in the open Indian Ocean, 300 km west of Broome. Tidal exchanges of up to four metres flus...

Easter Island sits 3,700 km from the Chilean mainland in the most remote inhabited waters on Earth, with visibility exceeding 60 metres in volcanic-blue seas. A...

The Brothers Islands are two remote pinnacles 60km offshore, accessible only by liveaboard. Hammerheads school at 40m, oceanic whitetips patrol the blue, and th...

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...

Bonaire pioneered marine conservation in the Caribbean and remains the ultimate shore diving destination, with 86 marked dive sites accessible by simply driving...

Daedalus Reef is a solitary oval reef marked by a lighthouse, 80km offshore in the Red Sea. The isolation means sharks dominate — hammerheads at depth, thresher...

Ustica was Italy's first marine protected area (1986), and the decades of protection show — massive groupers approach divers without fear, and the volcanic topo...

El Hierro's Mar de las Calmas (Sea of Calm) on the island's south side is one of Europe's finest dive sites — volcanic arches, lava tubes, and walls in crystal-...

Ojamo Mine is a flooded limestone quarry near Helsinki offering astonishing visibility that can exceed 40 metres in its frigid, gin-clear water. Submerged tunne...

Lanai's famous Cathedrals are lava tube caverns where shafts of sunlight pierce the darkness, creating one of Hawaii's most photographed underwater scenes. The...

The Exumas chain stretches 365 cays across impossibly turquoise water, with the Land and Sea Park acting as a no-take zone where marine life flourishes. Nurse s...

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,...

St. John's Reef marks the southernmost point most Red Sea liveaboards reach, and the effort pays off with some of Egypt's healthiest coral and biggest sharks. T...

Playa del Carmen delivers an absurd variety of diving within a short radius: cenote caverns with otherworldly light beams, bull shark encounters from November t...

The Kerama Islands are a national park archipelago 40 km west of Okinawa's main island, famous for 'Kerama Blue' — water so clear that 50-metre visibility is co...