Geothermal8 sites5 countries

Dive sites: Geothermal

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

Dominica

Soufriere Pinnacle

Roseau · Saint Mark · Dominica

A volcanic pinnacle rising from deep water in Dominica's Soufriere-Scotts Head Marine Reserve, with geothermal vents, pristine coral walls, and the Caribbean's healthiest reef ecosystem thriving in nutrient-rich volcanic waters.

Champagne Reef

Soufriere · Soufriere · Dominica

A unique volcanic dive where geothermal vents release streams of warm bubbles from the seafloor, creating the sensation of diving in champagne.

Soufriere Scotts Head Marine Reserve

Soufriere · Soufriere · Dominica

A volcanic crater turned marine reserve with dramatic pinnacles, sheer walls, and geothermal vents in Dominica's richest underwater ecosystem.

Iceland

pinnacle

Strýtan Hydrothermal Cones

Akureyri · Eyjafjörður · Iceland

Unique underwater geothermal chimneys in northern Iceland where hot freshwater vents rise from the seafloor, creating surreal formations found nowhere else at diveable depths.

Gardur Geothermal Dive

Keflavik · Reykjanes Peninsula · Iceland

A geothermal shore dive on Iceland's Reykjanes Peninsula where warm volcanic vents create micro-ecosystems amid cold North Atlantic water, attracting wolffish, lumpfish, and dense kelp forests in a surreal landscape of lava formations.

Indonesia

wall

Siau Island

Ulu Siau · North Sulawesi · Indonesia

A remote volcanic island between Sulawesi and the Philippines where untouched walls harbour pristine coral gardens, schooling pelagics, and geothermal vents that create a surreal underwater landscape.

New Zealand

reef

White Island (Whakaari)

Whakatane · Bay of Plenty · New Zealand

Diving around an active marine volcano where geothermal vents, sulphur-stained rocks, and nutrient-rich upwellings attract pelagic fish and unique volcanic formations.

Vanuatu

reef

Tutum Bay

Port Vila · Shefa Province · Vanuatu

A sheltered bay near Port Vila where volcanic hot springs bubble from the sandy seabed through healthy coral reef, creating a unique geothermal diving experience with warm water vents and mineral-stained rocks.