Koh Bon Ridge

# Koh Bon Ridge

Koh Bon Ridge is a premier dive site in Thailand’s Andaman Sea, located off Koh Bon island in Phang Nga Province. This challenging pinnacle dive features a dramatic underwater ridge rising from depths of 40+ meters, making it suitable for advanced and experienced divers.

The site showcases a stunning granite ridge structure with colorful soft corals, hard corals, and diverse marine life. Divers encounter large pelagic species including reef sharks, tuna, and barracuda, particularly during seasonal currents. The ridge also hosts groupers, snappers, and smaller reef fish among the coral formations.

Strong currents are characteristic of Koh Bon Ridge, requiring excellent buoyancy control and experience with drift diving. Visibility typically ranges from 10-30 meters depending on conditions. The site is best visited during the dry season (November to April) when sea conditions are more favorable.

Suitable for advanced divers seeking thrilling encounters with larger marine species and pristine coral ecosystems in the Andaman Sea.

🐠 Marine Life at This Dive Site

Blackfin Barracuda Sphyraena qenie hublagrange

Shade damselfish Pomacentrus umbratilus nigelmarsh

Lei Triggerfish Sufflamen bursa paulinerico

Velvet Snail Coriocella hibyae ryanyuewahchan

White-eyed Moray Gymnothorax thyrsoideus regray

Yellow-lipped Sea Krait Laticauda colubrina nijntje51

Species data from iNaturalist (CC BY-NC)