Richelieu Rock
Similan Islands & Khao Lak, Thailand
Schools of chevron barracuda overhead while tigertail seahorses, harlequin shrimps and ghost pipefish hide in fields of soft coral.
- Advanced
- Wall
- Whale sharks
Dark: peak season. Light: regularly seen.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Southern Leyte (Sogod Bay)Peak Nov–May | ||||||||||||
| MaldivesPeak Jun–Nov | ||||||||||||
| Ningaloo ReefPeak Mar–Aug | ||||||||||||
| Cancún & Isla MujeresPeak May–Sep | ||||||||||||
| Koh TaoPeak Mar–May, Sep–Oct | ||||||||||||
| GalápagosPeak Jul–Oct | ||||||||||||
| BelizePeak Mar–Jun | ||||||||||||
| UtilaPeak Mar–Apr, Aug–Sep | ||||||||||||
| Kona (Big Island)All year | ||||||||||||
| Sodwana BayAll year | ||||||||||||
| TofoAll year | ||||||||||||
| WakatobiAll year | ||||||||||||
| Cocos IslandJun–Nov | ||||||||||||
| Roatán & Bay IslandsMar–May, Aug–Oct | ||||||||||||
| Sharm El Sheikh & Ras MohammedMay–Sep | ||||||||||||
| Bohol & PanglaoMar–Jun | ||||||||||||
| PondicherryMay–Aug | ||||||||||||
| Poor Knights IslandsDec–Mar | ||||||||||||
| Socorro (Revillagigedo)Nov–Dec, Apr–May | ||||||||||||
| AzoresJul–Sep | ||||||||||||
| El NidoDec–Feb | ||||||||||||
| Phuket & Koh LantaFeb–Apr | ||||||||||||
| Similan Islands & Khao LakFeb–Apr | ||||||||||||
| KomodoOct–Nov | ||||||||||||
| Marsa Alam & the BrothersApr–May |
Sources confirm them, but don't say in which months.
Similan Islands & Khao Lak, Thailand
Schools of chevron barracuda overhead while tigertail seahorses, harlequin shrimps and ghost pipefish hide in fields of soft coral.
Koh Tao, Thailand
Granite pinnacle 12 km northwest of Koh Tao, the site where Black Turtle Dive logs its most whale shark sightings, amid huge schools of trevally and snapper.
Palau
Hook in above the wall and watch resident grey and whitetip reef sharks, tuna and barracuda work the current.
Galápagos, Ecuador
Wall drift beside the pillars of the arch that collapsed in May 2021, with large numbers of hammerheads, silky and Galápagos sharks.
Moalboal, Philippines
A sardine ball that spreads from 2 to about 15 m off Panagsama Beach, hunted by mackerels and tuna, with a thresher shark if you are lucky.
Dahab, Egypt
Walk-in shore dive where holes and cracks hide morays, nudibranchs and scorpionfish, with a school of yellowtail barracuda at 7 m.
Bali & Nusa Penida, Indonesia
One of the few places to see Mola Mola being cleaned, from July to November, above hard and soft coral gardens.
Socorro (Revillagigedo), Mexico
A split-rock pinnacle where whitetip reef sharks pack into crevices while silky and Galapagos sharks cruise the blue.
Phuket & Koh Lanta, Thailand
One of Thailand's top sites for whale sharks and manta rays, with a wall at the south end dropping to about 70 m.
Cavern
down to 25 m
Koh Samui & Koh Phangan, Thailand
Rocky islet at the north tip of Ang Thong Marine Park with an open cave crossing the island, soft-coral gardens and whale shark sightings.
Drift
down to 28 m
Tofo, Mozambique
Tofo's signature deep reef: a gentle north-south drift through an amphitheatre of pinnacles shrouded in fish.
Wall
down to 40 m
Moalboal, Philippines
Wall off Tuble with big hard corals, canyons and small caves, plenty of nudibranchs, razorfish, squid and whale shark sightings.