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 October
Bali & Nusa Penida
Cairns & the Ribbon Reefs
Galápagos Islands
Komodo
Sharm El Sheikh & Ras Mohammed
Brothers, Daedalus & St John's
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
Napoleon (Humphead) Wrasse
Cheilinus undulatus · IUCN: EN
Every great Indo-Pacific reef has its Napoleon, and divers learn them by name. The fish is unmistakable: a wardrobe-sized wrasse in chalkboard green scribbled with maze lines, thick lips set in permanent diplomacy, the adult's forehead hump rising like a bicorne hat. It ambles rather than swims…
Reliable places to meet one:
Wreck of the week
MS Zenobia
Swedish-built RO-RO ferry · sunk 1980 · 16–42 m
The Zenobia managed to become one of the world's most celebrated wreck dives without a single life lost. The brand-new Swedish RO-RO ferry was on her maiden voyage to Syria in mid-1980, loaded with more than a hundred articulated trucks, when her computerized ballast system…
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
Young Manta Rays Depend on Coastal Refuges, Study Finds
Could Marine Heatwaves Be Causing A Decrease In Humpback Whale Pregnancies?
Nudibranchs: Wonders of the Sea
Trump’s cuts have exposed US to ‘cascade’ of El Niño dangers, experts warn
New study finds healthy corals can help bleached neighbours recover
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.