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. We say plainly what we haven't verified yet.
The map
Every destination, one map.
Zoom a region, click a dot, plan from there. Dive sites and wrecks included.
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, in November
Raja Ampat
Marsa Alam & the Deep South
Tiger Beach & Grand Bahama
Banda Sea & Ambon
British Columbia
Coral Sea & Osprey Reef
Explore
Eight diving worlds
Warm reefs, cold kelp, atolls, wrecks and walls. Start with the water you like.
Australia, New Zealand & East Asia
Caribbean & Western Atlantic
Europe, Atlantic & Mediterranean
Indian Ocean & East Africa
Pacific Islands & Micronesia
Red Sea & Middle East
Southeast Asia & Coral Triangle
The Americas & Eastern Pacific
Explore by experience
Diving at your level
The big four
The animals people plan trips around
Where they are, which months, and how likely a meeting really is.
Whale Shark
Reef Manta Ray
Scalloped Hammerhead
Green Sea Turtle
Species spotlight
Pinnate Batfish
Platax pinnatus
The pinnate batfish spends its celebrity early. Juveniles are jet black rimmed in vivid orange, ribbon-thin and taller than long, undulating through the shadows of ledges and silty margins in what is widely interpreted as mimicry of a toxic flatworm; they rank among the most photographed fish in…
Reliable places to meet one:
Wreck of the week
Aikoku Maru
Japanese armed merchant cruiser and transport · sunk 1944 · 40–64 m
The Aikoku Maru was one of the war's hybrid ships: a fast, handsome OSK liner completed in 1940, armed and sent raiding in the Indian Ocean early in the war, later reduced to hauling troops and munitions as Japan's perimeter contracted. On 17 February 1944 she lay at Truk loaded…
A war grave. Dived with respect, never disturbed.
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.
Learn
Better diving, plainly explained
Air vs Nitrox: What Enriched Air Actually Buys You
Back-Inflate vs Jacket BCD: Trim, Travel, and the Surface Question
Drysuit vs Wetsuit: Which Exposure Suit for Which Diving
PADI vs SSI: An Honest Comparison
Ascent Rates: Why Slow Wins
Citizen Science for Divers: Your Logbook Can Be Data
News
The ocean this week
Solitude World Liveaboards & Resorts Unveils Gaia Maldives Details
Cetus Fleet’s Cachalo Liveaboard To Concentrate On Raja Ampat, End Komodo Trips in 2028
Oceanic’s O.i Wrist Aims To Make Dive Computers Easy
Explorer Ventures Launches Year of Savings for 2027, Spotlighting New Maldives Flagship…
Luxury Yacht Maldives: A Possible Bucket List Dive Trip
Editorial
The guides worth arguing with
The Best Budget Diving Destinations
The Best Dive Destinations for Beginners
The Best Diving in Southeast Asia
The Best Diving in the Caribbean
Top destinations
The heavyweights
For builders
Ask it, script it, agent it
Ask the Data answers questions from the atlas in plain English. The free JSON API and copy-paste AI-agent prompts point your own tools at the same structured data.