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Map Species Parks Diving

Diving and snorkelling

Explore the world underwater

553 diving and snorkelling sites across 117 countries — from coral reefs to wrecks more than 300 metres deep.

553documented dive sites117countries300metres maximum depth

Or start here

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Continent

Country

Type of dive

Level

Current

Access

Recommended certification

Designation

Tag

Depth (m)10 m – 300 m

Depth (m) — minimum valueDepth (m) — maximum value

Visibility (m)10 m – 90 m

Visibility (m) — minimum valueVisibility (m) — maximum value

Water temperature (°C)9 °C – 28 °C

Water temperature (°C) — minimum valueWater temperature (°C) — maximum value

72 dive sites found

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Hammerhead sharks

Caves and cenotes

Snorkelling-friendly

Technical diving

About these dive sites

Dive and snorkelling sites with the data you need to choose one — depth range, recommended certification, visibility, water temperature, current, access and best season, wherever they are documented — and the marine species recorded at each site. Where each piece of data comes from is explained in how we build our profiles.

Tremiti Islands

Italy

Up to 40 m · Advanced Open Water

25 m21 °C

Kastellorizo (Blue Cave)

Greece

Up to 20 m · Open Water

25 m24 °C

Rocky reef/Cave

Halkidiki

Greece

Up to 30 m · Open Water

20 m22 °C

Cave/Rocky reef

Ponza Island

Italy

Up to 35 m · Advanced Open Water

25 m20 °C

Cave/Rocky reef

Symi

Greece

Up to 30 m · Open Water

20 m23 °C

Milos

Greece

Up to 35 m · Open Water

25 m23 °C

Kas

Türkiye

Up to 40 m · Advanced Open Water

25 m22 °C

Cave/Rocky reef

Corfu (Paleokastritsa)

Greece

Up to 30 m · Open Water

20 m23 °C

Fethiye

Türkiye

Up to 35 m · Open Water

20 m23 °C

Blue Cave of Biševo

Croatia

Up to 10 m · Open Water / Snorkel

20 m22 °C

Lastovo Island

Croatia

Up to 35 m · Open Water

25 m21 °C

Kornati Islands

Croatia

Up to 35 m · Open Water

25 m21 °C

Malta (Blue Hole Gozo / Um El Faroud)

Malta

Up to 40 m · Advanced Open Water

35 m20 °C

Comino (Blue Lagoon and Caves)

Malta

Up to 20 m · Open Water

30 m20 °C

Cave/Rocky reef

Gozo (Cathedral Cave/Reqqa Point)

Malta

Up to 40 m · Advanced Open Water

30 m20 °C

Cape Greco

Cyprus

Up to 30 m · Open Water

25 m22 °C

Paphos (wrecks)

Cyprus

Up to 35 m · Advanced Open Water

25 m

Rocky reef/Cave

Ksamil

Albania

Up to 30 m · Open Water

20 m23 °C

Pinnacle/Granite cave

Similan Islands

Thailand

Up to 30 m · Advanced Open Water

20 m28 °C

Cave/Karst lagoon

Sohoton Cove

Philippines

Up to 15 m · Open Water

15 m27 °C

Camotes Islands

Philippines

Up to 25 m · Open Water

20 m28 °C

Vertical oceanic wall / Cave

Christmas Island

Australia

Up to 40 m · Open Water on the shallow reefs; advanced on Perpendicular Wall

Whale sharks · manta rays · spinner dolphins all year round

Miyako Island

Japan

Up to 35 m · Advanced Open Water

30 m25 °C

Koh Ha (Krabi)

Thailand

Up to 30 m · Advanced Open Water

20 m28 °C

Mergui Archipelago (Black Rock)

Myanmar

Up to 35 m · Advanced Open Water

20 m28 °C

St John's Reef

Egypt

Up to 40 m · Advanced Open Water

30 m27 °C

Blue Hole Dahab

Egypt

Up to 130 m · Advanced / highly experienced

25 m26 °C

Moucha Island

Djibouti

Up to 30 m · Open Water

20 m27 °C

Barrier reef/Blue Hole

Andros Barrier Reef

Bahamas

Up to 300 m · Advanced Open Water

30 m27 °C

Sinkhole (freediving)

Dean's Blue Hole

Bahamas

Up to 202 m · Advanced / technical freediving

30 m26 °C

Yasawa Islands

Fiji

Up to 25 m · Open Water

20 m26 °C

Reef/Shallow cave

French Reef (Key Largo)

United States

Up to 20 m · Open Water

20 m26 °C

Guam (Blue Hole)

Guam

Up to 40 m · Advanced Open Water

25 m28 °C

Cave/Marine cenote

Saipan (Grotto)

Northern Mariana Islands

Up to 40 m · Advanced Open Water

30 m28 °C

Punta Francés

Cuba

Up to 40 m · Advanced Open Water

30 m27 °C

Sosúa

Dominican Republic

Up to 35 m · Open Water

25 m27 °C

Secondary sinkhole

Blue Hole (Turneffe)

Belize

Up to 40 m · Advanced

30 m27 °C

Great Blue Hole

Belize

Up to 124 m · Advanced

30 m

Devil's Grotto (Grand Cayman)

Cayman Islands

Up to 15 m · Open Water

25 m27 °C

Trinity Caves (Grand Cayman)

Cayman Islands

Up to 30 m · Advanced Open Water

30 m27 °C

Muck diving/Cave

Osezaki

Japan

Up to 30 m · Open Water

10 m20 °C

Freshwater spring

Crystal River (manatees)

United States

Up to 10 m · Open Water / Snorkel

20 m22 °C

Freshwater spring/Cave

Ginnie Springs

United States

Up to 30 m · Open Water / Cavern

30 m22 °C

Rock formation/Cave

Puerto Vallarta (Los Arcos)

Mexico

Up to 25 m · Open Water

15 m26 °C

Devil's Den

United States

Up to 10 m · Open Water

30 m22 °C

Sea cave (the largest in the world)

Poor Knights Islands

New Zealand

Up to 25 m · Advanced Open Water

20 m19 °C

Cathedrals (Lanai)

United States

Up to 25 m · Advanced Open Water

30 m25 °C

Cave/Rocky reef

Cathedral Cove

New Zealand

Up to 25 m · Open Water

15 m19 °C

Oceanic swim-through cave

Fish Rock Cave (South West Rocks)

Australia

Up to 24 m · Advanced Open Water; operators recommend at least 20 dives for the cave

Cave/Coastal cenote

Cenote Casa Cenote

Mexico

Up to 10 m · Open Water

25 m25 °C

Rock formation/Cave

Pillars of Hercules

Antigua and Barbuda

Up to 20 m · Open Water

20 m27 °C

Cave (one of the longest in the world)

Ox Bel Ha System

Mexico

Up to 25 m · Technical (Cave Diver)

30 m25 °C

Cenote Calavera

Mexico

Up to 15 m · Open Water (with a guide)

30 m25 °C

Cenote Chac Mool

Mexico

Up to 15 m · Open Water (with a guide)

30 m25 °C

Cenote Dos Ojos

Mexico

Up to 10 m · Open Water (with a guide)

90 m24 °C

Cenote/Halocline

Cenote Angelita

Mexico

Up to 60 m · Advanced / technical

40 m24 °C

Gran Cenote

Mexico

Up to 10 m · Open Water (with a guide)

50 m25 °C

Cave (the longest system in the world)

Sac Actun System

Mexico

Up to 20 m · Technical (Cave Diver)

30 m25 °C

Freshwater limestone sinkhole

Kilsby Sinkhole

Australia

Up to 40 m · Open Water in the areas with no overhead; Cave Diver for the enclosed environments

the appeal is the clarity and the play of light

Underwater thermal cave

Molnár János Cave

Hungary

Up to 40 m · Technical (Cave Diver); only with a guide from the local operator

a thermal system with no notable fauna

Underwater gypsum cave

Orda Cave (Ordinskaya)

Russia

Up to 40 m · Technical (Cave Diver, cold water and drysuit)

a gypsum karst system with no notable fauna

Cave/Sinkhole (the deepest in Europe)

Hranická Propast

Czechia

Advanced technical (heavily restricted access)

15 m9 °C

Limited wildlife

Rocky reef/Cave

Berlengas Islands

Portugal

Up to 30 m · Advanced Open Water

15 m18 °C

Groupers · conger eels · lobsters

Rocky reef/Cave

Cavalleria (Menorca)

Spain

Up to 35 m · Advanced Open Water

25 m20 °C

Groupers · red corals · moray eels

Marine protected area

Marine reserve/Cave

Balearic Islands (Cabrera)

Spain

Up to 35 m · Advanced Open Water

25 m20 °C

Groupers · ospreys · corals

Blue light cave

Cabrera (Cova Blava)

Spain

Up to 20 m · Open Water

25 m20 °C

Reef fish · lobsters · the blue light effect

Marine protected area

Rocky cove/Cave

Calanques of Marseille

France

Up to 40 m · Advanced Open Water

15 m18 °C

Groupers · red corals · moray eels

Plemmirio Marine Reserve (Sicily)

Italy

Up to 35 m · Open Water

25 m22 °C

Corals · moray eels · lobsters

OceanMarine protected area

Tavolara (Sardinia)

Italy

Up to 40 m · Advanced Open Water

30 m20 °C

Groupers · lobsters · red corals

OceanMarine protected area

Aegadian Islands (Favignana)

Italy

Up to 35 m · Advanced Open Water

25 m21 °C

Groupers · corals · Punic archaeological remains

OceanMarine protected area

Isle of Capri (Blue Grotto)

Italy

Up to 15 m · Open Water / Snorkel

20 m20 °C

Reef fish · bioluminescent encrusting corals

Grotta di Nereo (Nereo Cave)

Italy

Up to 33 m · Advanced Open Water; the narrow tunnels require a cave qualification

Red coral (Corallium rubrum) · spiny lobsters · European lobsters

Marine protected area

See dive site

Groupers · red corals · lobsters

OceanIslandsMarine protected area

See dive site

Reef fish · lobsters

See dive site

Groupers · moray eels · seahorses

Ocean

See dive site

Groupers · lobsters · volcanic formations

See dive site

Groupers · lobsters · sponges (a historic sponge-diving tradition)

Ocean

See dive site

Seahorses · lobsters · volcanic formations

See dive site

Groupers · turtles · a submerged aircraft wreck

Ocean

See dive site

Groupers · octopus · lobsters

See dive site

Groupers · octopus · the Fethiye aircraft wreck

Ocean

See dive site

Reef fish

Ocean

See dive site

Groupers · lobsters · corals

Marine protected area

See dive site

Posidonia oceanica meadows · bottlenose dolphin · loggerhead turtle

OceanIslandsMarine protected area

See dive site

Groupers · moray eels · octopus

OceanMarine protected area

See dive site

Reef fish · the turquoise light effect

See dive site

Groupers · moray eels · encrusting corals

Ocean

See dive site

Reef fish · moray eels · the nearby Zenobia wreck

Ocean

See dive site

21 °C

Reef fish · moray eels · the Achilleas tug wreck

OceanWorld Heritage

See dive site

Groupers · octopus · corals

Ocean

See dive site

Manta rays at the cleaning stations of Koh Bon and Koh Tachai · turtles · leopard sharks

IslandsMarine protected area

See dive site

Reef fish · karst formations

Freshwater

See dive site

Turtles · reef fish · freshwater caves nearby

OceanFreshwaterIslands

See dive site

Marine protected area

See dive site

Reef fish · underwater karst formations

See dive site

Leopard sharks · barracuda · light caves

See dive site

Nurse sharks · giant lobsters · underwater caves

OceanIslands

See dive site

Hammerheads · grey reef shark · oceanic whitetip

OceanMarine protected area

See dive site

Clownfish · Napoleon wrasse · turtles

See dive site

Turtles · reef sharks · hard corals

Ocean

See dive site

The third largest barrier reef in the world · reef sharks · inland blue holes

OceanFreshwater

See dive site

Limited wildlife; a world mecca of freediving

Ocean

See dive site

Reef sharks · seasonal manta rays · soft corals

See dive site

Moray eels · large snapper · groupers

OceanMarine protected area

See dive site

Reef fish · occasional sharks

Ocean

See dive site

Reef sharks · turtles · karst formations

Ocean

See dive site

Reef sharks · groupers · giant sponges

Ocean

See dive site

Moray eels · lobsters · reef fish

Ocean

See dive site

Reef sharks · groupers

See dive site

27 °C

the appeal is geological. Reef and nurse sharks at the entrance

World HeritageMarine protected area

See dive site

Silversides · groupers · moray eels

Marine protected area

See dive site

Giant barrel sponges · groupers · lobsters

See dive site

Seahorses · octopus · temperate-water corals

Ocean

See dive site

Florida manatees

See dive site

Freshwater fish · river turtles

See dive site

Rays · moray eels · tropical Pacific fish

Ocean

See dive site

Freshwater fish

See dive site

Subtropical fish · lobsters · unique acoustics

Ocean

See dive site

Rare black coral on the roof of the main chamber · tube corals · sponges

See dive site

Eagle rays · snapper · lobsters

Ocean

See dive site

Grey nurse sharks in aggregations of up to thirty · a resident black cod · large wobbegongs

Marine protected area

See dive site

Occasional crocodiles · freshwater fish

Ocean

See dive site

Reef fish · lobsters

See dive site

Stygobitic fauna adapted to caves; pumas · jaguars and deer have been recorded at the surface cenotes

See dive site

Freshwater fish · bats

See dive site

Freshwater fish

Freshwater

See dive site

Freshwater fish · bats

See dive site

Limited wildlife

Freshwater

See dive site

Freshwater fish · river turtles

See dive site

Blind cave fish · bats · troglobitic fauna

See dive site