Undiscovered16 sites11 countries

Dive sites: Undiscovered

Undiscovered dive sites — depth, conditions, and required training level.

Albania

Karaburun-Sazan Marine Park

Vlora · Vlora County · Albania

Albania's first and only marine protected area, where the Adriatic meets the Ionian Sea around a rugged peninsula and military island, hiding pristine reefs and World War II wrecks.

Colombia

reef

Capurgana

Capurgana · Choco Department · Colombia

A roadless Caribbean village on Colombia's border with Panama where untouched coral reefs thrive in the warm, clear waters of the Gulf of Uraba, reachable only by boat or small aircraft.

Comoros

wall

Grand Comore Chomoni Coast

Moroni · Grande Comore · Comoros

Volcanic walls plunging from the shore into the deep Mozambique Channel off Grand Comore, where coelacanth habitat, pristine hard coral, and passing humpback whales create one of the Indian Ocean's most unexplored dive frontiers.

Indonesia

reef

Weda Bay

Weda · North Maluku · Indonesia

A sheltered bay on Halmahera's eastern coast offering world-class muck diving on black sand alongside pristine coral gardens, with the recent discovery of multiple species new to science.

Anambas Islands

Tarempa · Riau Islands · Indonesia

A remote archipelago in the South China Sea where crystal-clear waters surround untouched coral reefs, granite boulder formations create dramatic underwater landscapes, and isolation ensures virtually zero diver traffic.

Selayar Island

Benteng · South Sulawesi · Indonesia

A remote island off South Sulawesi's southern tip with pristine wall diving along its western coast, where the Flores Sea drops away beneath vertical coral walls teeming with turtles, reef sharks, and enormous barrel sponges.

Madagascar

reef

Ifaty Reef

Toliara · Atsimo-Andrefana · Madagascar

Madagascar's largest accessible barrier reef stretching 18 kilometres off the southwest coast, where unique Indo-Pacific coral assemblages shelter seahorses, frogfish, and ghost pipefish in waters few divers have explored.

Maldives

reef

Dhidhdhoo Beyru

Dhidhdhoo · Haa Alifu Atoll · Maldives

A remote outer reef in the far northern Maldives where pristine coral walls host manta cleaning stations, large schools of fusiliers, and the wild atmosphere of a virtually undived atoll.

Mexico

reef

Huatulco Reef

Santa Cruz Huatulco · Oaxaca · Mexico

An undiscovered Pacific reef system along Oaxaca's dramatic coastline where warm currents support healthy coral communities, schooling mobula rays, and humpback whale encounters from December to March.

Papua New Guinea

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Tufi Fjords

Tufi · Oro Province · Papua New Guinea

Volcanic fjords plunging hundreds of metres in Papua New Guinea's Northern Province where vertical walls of black coral, pristine soft coral gardens, and rare critters exist in near-total isolation.

Philippines

cave

Camotes Islands

San Francisco · Cebu · Philippines

A cluster of islands between Cebu and Leyte with underwater cave systems, freshwater cenote-like sinkholes, and virgin reef walls that remain largely unexplored by the diving community despite stunning above-water scenery.

Banton Island

Romblon Town · Romblon · Philippines

A remote volcanic island in the Sibuyan Sea where dramatic walls plunge into the deep blue, sea caves pierce limestone headlands, and the complete absence of dive operations ensures pristine marine life.

Batad Island

Romblon Town · Romblon · Philippines

A tiny uninhabited island in the Romblon group surrounded by pristine coral gardens and exceptional nudibranch diversity, where warm Philippine Sea currents deliver nutrients to an unspoiled reef system visited by very few divers.

Sarangani Bay

General Santos City · Soccsksargen · Philippines

A vast protected bay on Mindanao's southern coast where coral walls, seagrass flats, and deep channels support whale sharks, dugongs, and diverse reef communities in waters that remain virtually unknown to the international diving community.

Tanzania

wall

Pemba Island

Chake Chake · Zanzibar Archipelago · Tanzania

A remote and virtually undived island north of Zanzibar featuring dramatic drop-offs, pristine coral walls plunging into the Pemba Channel, and pelagic encounters in the nutrient-rich waters of East Africa's deep channel.

Thailand

reef

Koh Phayam

Ranong · Ranong Province · Thailand

A little-known island in the northern Andaman Sea off Ranong province, where undived coral reefs, rocky pinnacles, and mangrove channels support sea turtles, leopard sharks, and prolific macro life in water that sees virtually no dive tourism.