

Best for beginner divers, 8-12m, boat entry, mild current.
Siam Knoll is a shallow reef located off the coast of Aur and Dayang Islands. The site features a reef structure at depths ranging from 8 to 12 metres, with an average depth of 10 metres. Conditions are generally manageable for beginners, characterised by mild currents and visibility between 5 and 10 metres. Water temperatures remain warm throughout the year, typically between 28 and 30 degrees Celsius. Access to the site is by boat only. Divers should maintain good buoyancy control and be aware of stonefish present on the reef. Local facilities provide air fills, equipment rental, and guided tours to assist with site orientation.
2.31692, 104.09478
Book through a local dive shop, as the site is boat access only and guided tours give you a briefing on stonefish awareness before entering the water. Air fills and equipment rental are available on the island, so travelling light is a practical option.
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Expected in this region. No sightings logged here yet.
Depth
8-12m
Visibility
5-10m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
28-30°C
Current
Mild
Typical Dive
50 min
Yes, the site is suitable for beginners due to the shallow depth of 8 to 12 metres and mild currents.
The reef sits at a depth of 8 to 12 metres, with an average depth of 10 metres.
Siam Knoll is a boat dive located 1000 metres from the shore.
Stonefish are present on the reef, so divers should exercise caution regarding buoyancy and hand placement.
Yes, local dive shops on the island provide air fills, equipment rental, and guided tours.
Diving at Siam Knoll in Johor requires the following certifications: Open Water. Always dive within your training limits.
Siam Knoll in Johor typically has mild currents that most divers can handle comfortably.
Visibility at Siam Knoll in Johor typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.