Reef World Map
Travel guides & inspiration
Latest posts
Andaman Islands: A Deep Dive into the Bay of Bengal's Remote Reefs
A grounded look at the reefs of India's Andaman Islands, from Havelock's dive sites to the biodiversity that thrives in their isolation.
Alor: Cold Currents and Untouched Reefs at Indonesia's Wild Eastern Edge
In the straits between Alor and Pantar, cold upwellings feed some of Indonesia's healthiest reefs, while the dark sand of Kalabahi Bay hides rare critters.
Gili Islands Reefs: Turtles, Biorock and the Slow Return of Coral
Off the north-west coast of Lombok, three tiny islands host some of Indonesia's most-watched reefs - famous for turtles and pioneering coral restoration.
Surin Islands Deep Dive: Shallow Reefs, Richelieu Rock and the Moken
A deep dive into Mu Ko Surin National Park, from snorkel-friendly coral gardens to Richelieu Rock and the Moken sea nomads of the Andaman Sea.
Read more →Koh Tao Reefs: Where Divers Are Born and Corals Are Rebuilt
Koh Tao is Thailand's training-dive engine and a testing ground for hands-on coral restoration in the Gulf.
Read more →St. John's Reefs: A Deep Dive into Egypt's Far South
Near the Sudanese border, St. John's rewards liveaboard divers with cathedral-like caves, soft-coral pinnacles and open-water encounters.
Read more →Saudi Arabia's Red Sea: Jeddah, the Farasan Banks and a New Dive Frontier
A grounded look at the reefs, marine life and slow-building dive scene along Saudi Arabia's Red Sea shoreline.
Read more →Gulf of Aqaba: The Coral Refuge That Refuses to Bleach
In the northern Red Sea, corals endure summer heat that would devastate reefs anywhere else. Here is why this narrow gulf may be one of the last strongholds of the century.
Read more →Aqaba: Jordan's Slender Red Sea Coast and Its Resilient Reefs
Jordan's short Red Sea coastline packs in fringing reefs, wrecks, and some of the most heat-tolerant corals on the planet.
Read more →Christmas Island: Diving the Indian Ocean's Sheer Reef Walls
Where the reef ends a few metres from shore and the ocean falls away into deep blue, Christmas Island offers walls, whale sharks and a migration like no other.
Read more →Lord Howe Island: The World's Southernmost Coral Reef
Far off the coast of New South Wales, a crescent lagoon shelters the most southerly coral reef on Earth, a fragile meeting point of warm and cool waters.
Read more →Palmyra Atoll: A Wild Reef Refuge at the Edge of the Pacific
A remote US Pacific atoll where near-untouched coral reefs and a small research station reveal what the ocean used to be.
Read more →Revillagigedo: Diving with Giant Mantas and Sharks in Mexico's Far Pacific
Far off the Mexican Pacific coast, the volcanic Revillagigedo Islands offer some of the closest encounters with giant oceanic mantas and sharks anywhere on Earth.
Read more →Diving the Lagoon of New Caledonia: Inside One of Earth's Largest Reef Systems
New Caledonia's lagoon is one of the largest on the planet, ringed by a rare double barrier reef and protected as a UNESCO World Heritage site since 2008.
Read more →Papahanaumokuakea: Into the Reefs of the Northwestern Hawaiian Islands
The Northwestern Hawaiian Islands guard some of the most remote and pristine coral reefs on Earth, protected across an ocean expanse few people will ever see.
Read more →