Rayner's Rock
Also known as: Rayners Rock
Best time to dive
March to October; November to February; June to August
What you might see
- BarracudaLikely
- Hammerhead sharkPossible
- Manta rayLikely
- Moray eelLikely
- Napoleon wrasseLikely
- NudibranchLikely
- Whale sharkLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - Limited - boulder breaks the surface but strong current and depth make this primarily a scuba site rather than a beginner snorkel spot
Safety notes
Strong current and surge funneling between rock/boulders, drift-dive extraction can be difficult in rough seas, remote location far from chamber/medical facilities
Permits & fees
Falls within Sultan Iskandar Marine Park (Johor Marine Park, covering Aur/Tinggi/Pemanggil/Besar/Rawa/Sibu clusters) - divers must register/get approval via Mersing District Council before diving; specific RM conservation fee amount not confirmed in available sources (-)
Permits and operators change - confirm before booking.
Location
Nearest hub: Mersing
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

