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The world's diving, one honest atlas.

Dive sites with real depths and seasons. Marine life with real odds. Wrecks with real history. Built for planning actual trips — and honest about what we haven't verified yet.

Photo: Kris Mikael Krister · CC BY 3.0
Chuuk (Truk) Lagoon Tiger Beach & Grand Bahama Komodo Larnaca & the Zenobia Canary Islands Brothers, Daedalus & St John's Medes Islands Anilao Grenada Marsa Alam & the Deep South British Virgin Islands Utila Curaçao Sipadan & Mabul Bonaire Musandam Peninsula Malapascua Isla Mujeres & Cancún Yonaguni British Columbia Saint Lucia Dahab Nassau & New Providence Arctic Norway Daymaniyat Islands Dominica Lembeh Strait North & South Malé Atolls Guadalupe Island Taveuni & Rainbow Reef Silfra & Iceland Riviera Maya & the Cenotes Scapa Flow Belize Barrier Reef Wakatobi Baa Atoll & Hanifaru Bay Mafia Island Ari Atoll Espiritu Santo Roatán Sodwana Bay Aliwal Shoal & Umkomaas Seychelles Yap Alor Bikini Atoll Townsville & the Yongala The Sardine Run (Wild Coast) Mauritius Similan Islands & Richelieu Rock Nosy Be Malta & Gozo Dumaguete, Dauin & Apo Island Maui & Molokini Jardines de la Reina Cocos Island Bali & Nusa Penida Rangiroa Fernando de Noronha Banda Sea & Ambon Tofo Beach Ningaloo Reef North Carolina Outer Banks Coral Sea & Osprey Reef South Australia Grand Cayman Beqa Lagoon & Pacific Harbour Poor Knights Islands Oʻahu Port Sudan & Sanganeb Turks and Caicos The Azores Mergui Archipelago Madeira Coron Little Cayman Aqaba Hurghada & El Gouna Solomon Islands Coiba Sharm El Sheikh & Ras Mohammed Tubbataha Reefs Florida Keys Sea of Cortez & Cabo Pulmo Koh Tao Socorro & the Revillagigedos Milne Bay Zanzibar & Mnemba Okinawa & the Kerama Islands California Channel Islands Raja Ampat Bunaken & Manado Moalboal Bermuda Green Island Fakarava Kona, Hawaiʻi Galápagos Islands Cairns & the Ribbon Reefs Costa Rica Pacific Coast Malpelo Kimbe Bay Izu Peninsula Vavaʻu Palau Cozumel

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Every destination, one map.

Zoom a region, click a dot, plan from there — dive sites and wrecks included.

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Marine-life calendar Water-temperature finder

Research only — every figure is a labeled range with a confidence level, never a guess dressed as a fact. Verify locally before you dive.

In season

Great right now — September

Everything in season →
September 5/5 Bali & Nusa Penida

Bali & Nusa Penida

Often the best all-around month: dry, clear, and full of life.
Best: Apr–Novall-levels

Bonaire

September 5/5 · Warmest, calmest water of the year.

Cairns & the Ribbon Reefs

September 5/5 · Winds ease; some of the best visibility of the year

Galápagos Islands

September 5/5 · Two seasons, both worth diving. December-May is the warm season…

Komodo

September 5/5 · Superb diving continues with slightly thinner crowds.

Sharm El Sheikh & Ras Mohammed

September 5/5 · Warm sea and thinner crowds - a superb balance.

Explore

Eight diving worlds

All destinations →
Australia, New Zealand & East Asia

Australia, New Zealand & East Asia

10 destinations · 41 dive sites
Caribbean & Western Atlantic

Caribbean & Western Atlantic

19 destinations · 106 dive sites
Europe, Atlantic & Mediterranean

Europe, Atlantic & Mediterranean

9 destinations · 45 dive sites
Indian Ocean & East Africa

Indian Ocean & East Africa

12 destinations · 60 dive sites
Pacific Islands & Micronesia

Pacific Islands & Micronesia

16 destinations · 69 dive sites
Red Sea & Middle East

Red Sea & Middle East

9 destinations · 52 dive sites
Southeast Asia & Coral Triangle

Southeast Asia & Coral Triangle

18 destinations · 111 dive sites
The Americas & Eastern Pacific

The Americas & Eastern Pacific

13 destinations · 63 dive sites

Explore by experience

Diving at your level

The big four

The animals people plan trips around

All marine life →
Whale Shark

Whale Shark

Where and when →
Reef Manta Ray

Reef Manta Ray

Where and when →
Scalloped Hammerhead

Scalloped Hammerhead

Where and when →
Green Sea Turtle

Green Sea Turtle

Where and when →
Clownfish & Anemonefish
Photo: Nick Hobgood · CC BY-SA 3.0 · Wikimedia Commons

Species spotlight

Clownfish & Anemonefish

Amphiprioninae

The partnership defines the fish. An anemonefish spends its adult life inside the stinging tentacles of a host anemone, protected by a mucus coat that keeps the nematocysts from firing, and it rarely strays more than a few meters from home. Each anemone houses a strict hierarchy: one large female…

Reliable places to meet one:

Full species guide →   All 87 species →

Wreck of the week

USCGC Duane

Treasury-class US Coast Guard cutter (WPG-33) · sunk 1987 · 18–37 m

Few working ships earn a half-century of service as varied as the Duane's. Commissioned in 1936, the 327-foot cutter escorted North Atlantic convoys in the Second World War — taking part with her sister Spencer in the 1943 action that destroyed U-175 and rescuing survivors from…

The full story →   All 76 wrecks →

USCGC Duane
Photo: USN · Public domain · Wikimedia Commons

When to go

Diving has seasons. We mapped them.

Whale sharks are a month, not a place. Pick when you can travel and see what the ocean is doing then — water temperatures, visibility and the animals actually present.

Open the trip planner

Learn

Better diving, plainly explained

All guides →

Air vs Nitrox: What Enriched Air Actually Buys You

Comparison · 4 min read

Back-Inflate vs Jacket BCD: Trim, Travel, and the Surface Question

Comparison · 4 min read

Drysuit vs Wetsuit: Which Exposure Suit for Which Diving

Comparison · 4 min read

PADI vs SSI: An Honest Comparison

Comparison · 4 min read

Ascent Rates: Why Slow Wins

Safety · 4 min read

Citizen Science for Divers: Your Logbook Can Be Data

Conservation · 4 min read

News

The ocean this week

All news →

Dive Industry Young Professionals Launches Annual Mentorship Initiative

DeeperBlue ↗ · 06:00 UTC

Sea dragon populations decimated in ‘mind-blowing’ mass mortality event caused by South…

The Guardian — Marine life ↗ · 01:19 UTC

PADI On Tour 2026 Connects The Global Dive Community

DeeperBlue ↗ · Sep 19

Shark catch-and-kill order issued after swimmer dies off popular Perth beach

The Guardian — Marine life ↗ · Sep 19

New Book Shows How to Build an Enduring Life in the Dive Industry

DeeperBlue ↗ · Sep 19
Atlas data brief — written in-house from our own data September peak conditions: Galapagos, Komodo, Bonaire and moreIn September, several destinations hit their highest ratings. The Galapagos Islands (/destination/galapagos) and Komodo (/destination/komodo) both score at their seasonal best, as… · 05:35 UTC
Atlas data brief — written in-house from our own data September's top dive destinations and species windows for 2024In September, Komodo (/destination/komodo), the Galápagos Islands (/destination/galapagos), and Bonaire (/destination/bonaire) all sit at peak condition. Sharm El Sheikh and Ras… · Sep 19

Editorial

The guides worth arguing with

Comparisons →
The Best Budget Diving Destinations

The Best Budget Diving Destinations

Where a dive dollar goes furthest once you land — honest per-dive and course-cost realities, and the flight math that decides…
4 min read
The Best Dive Destinations for Beginners

The Best Dive Destinations for Beginners

Eight destinations where new divers get warm water, mild conditions, and genuinely memorable diving above 18 m — each with its…
4 min read
The Best Diving in Southeast Asia

The Best Diving in Southeast Asia

The Coral Triangle's greatest hits ranked — reef, muck, wrecks, and seasonal windows from Raja Ampat to Richelieu Rock, permits…
4 min read
The Best Diving in the Caribbean

The Best Diving in the Caribbean

From Cozumel's drifts to Cuba's untouched mangrove reefs: the Caribbean ranked honestly, with hurricane-season math and the…
4 min read

Top destinations

The heavyweights

For builders

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Australia, New Zealand & East Asia

Cairns & the Ribbon ReefsNingaloo ReefCoral Sea & Osprey ReefOkinawa & the Kerama IslandsPoor Knights IslandsTownsville & the YongalaGreen IslandIzu Peninsula

Caribbean & Western Atlantic

BonaireCozumelRiviera Maya & the CenotesBelize Barrier ReefGrand CaymanIsla Mujeres & CancúnRoatánTiger Beach & Grand Bahama

Europe, Atlantic & Mediterranean

Malta & GozoSilfra & IcelandThe AzoresCanary IslandsLarnaca & the ZenobiaScapa FlowArctic NorwayMadeira

Indian Ocean & East Africa

North & South Malé AtollsAri AtollBaa Atoll & Hanifaru BayAliwal Shoal & UmkomaasMafia IslandMauritiusSeychellesSodwana Bay

Pacific Islands & Micronesia

PalauChuuk (Truk) LagoonFakaravaKona, HawaiʻiRangiroaTaveuni & Rainbow ReefBeqa Lagoon & Pacific HarbourEspiritu Santo

Red Sea & Middle East

Sharm El Sheikh & Ras MohammedBrothers, Daedalus & St John'sDahabHurghada & El GounaMarsa Alam & the Deep SouthAqabaDaymaniyat IslandsMusandam Peninsula

Southeast Asia & Coral Triangle

Bali & Nusa PenidaKomodoRaja AmpatSipadan & MabulAnilaoCoronKoh TaoLembeh Strait

The Americas & Eastern Pacific

Galápagos IslandsCocos IslandFlorida KeysSea of Cortez & Cabo PulmoSocorro & the RevillagigedosBritish ColumbiaCalifornia Channel IslandsCosta Rica Pacific Coast