Layang-Layang · Malaysia · Wall · Reef
Crack Reef
Pygmy seahorses in the sea fans on the north wall
Area photo: matthew lee · CC BY 2.0
Crack Reef is a wall dive on the northern point of the Layang-Layang atoll, worked at 10 to 25 m in moderate current. The marine life along it is dense, including the rare black coral the reef is known for, and the site sits close enough to Navigator Lane that the right current lets you cover both of them in a single dive.
Where it is and how deep
7.3852° N, 113.8272° EApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.
The dive
The site sits on the northern point of the atoll, very close to Navigator Lane, so when the current runs the right way the two are dived as one. You follow the wall in the 10 to 25 m band with the reef on one shoulder, moving with the flow rather than working against it, and there is no need to push deeper unless something out in the blue is worth it.
Most of what is worth stopping for is small and on the wall itself: the huge sea fans hold pygmy seahorses, and sleeping leopard sharks are another regular find. If you do drop deeper and the day goes your way, schooling hammerheads pass in the blue off the wall. The dive finishes in the shallow, colourful coral garden, which gives you a safety stop with something to look at and a last chance for photographs.
Marine life and season
- Pygmy seahorses
- Hammerheads
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Off-season | Off-season | Prime | Prime | Prime | Good | Good | Good | Off-season | Off-season | Off-season | Off-season |
Season follows Layang-Layang: Closed to visitors since the resort's licence was revoked in January 2025. When it operated, the season ran March to August, with hammerheads peaking in April and May.
Questions divers ask
Can Crack Reef and Navigator Lane be done together?+
Yes. The two sites sit very close together on the north of the atoll, and when the current is right you can cover both in a single dive.
Sources
- Crack Reef Dive Site - Map & Review — Divezone
- Best Diving sites in Layang Layang — Divezone
More dive sites in Layang-Layang
A cleaning station worked by reef sharks, turtles and mantas
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An undercut at 25 m where reef sharks rest through the day
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A vertical face into 2,000 m, with pygmy seahorses in the fans
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Hundreds of hammerheads pass here in April and May
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A long northern wall with hammerheads in the current below
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A 15 m crack in the wall, dived for critters and at night
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Hundreds of hammerheads in the blue in April and May
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Black coral, sea fans and barrel sponges over a debris field
Similar dives elsewhere
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Step off the jetty onto a wall with resident sharks
Fissured wall with pygmy seahorses, and a night-dive standby
Gorgonians, overhangs, and turtles of both local species