Ao Hin Ngam
Protected Area
Suratthani Environmental Protected Area
Why dive here
With 54+ marine species recorded in the area - including sea turtles, tiger sharks and pufferfish - Ao Hin Ngam offers some of Koh Tao's richest diving. Water ranges 29-31°C, warmest April, May, June.
We really like Ao Hin Ngam, especially when the light hits just right in the late morning. It’s got a lovely, natural feel to it, a bit more rugged than some of the more manicured sites around Koh Tao. What makes it standout for us are the big, sprawling patches of staghorn coral. They’re everywhere, creating this intricate habitat, and if you take your time, you’ll spot all sorts of small stuff darting in and out. We’ve spent ages here just watching the pink anemonefish. They’re always busy, fiercely guarding their homes. Keep an eye out for blue-spotted stingrays tucked into the sand flats too, especially as you drift away from the main coral bommies. Visibility here can sometimes be a bit variable, particularly after a strong rain, but when it’s good, the water has that lovely warm, green hue that’s classic Koh Tao. We’d suggest this one for divers who appreciate a slower pace, those who like to really observe rather than just cruise past. You won’t find huge pelagics, but the sheer density of reef fish, like the big schools of blue and gold fusiliers, is really impressive. Look for the blackfin barracuda hanging out in the deeper sections, often just watching the world go by.
Nearest Dive Centres to Ao Hin Ngam
Dive shops near Ao Hin Ngam
C.V. Divers
The Dearly Dive Koh Tao
French Kiss Divers - Chalok
Buddha View IDC
Czone Diver
Big Bubble Dive School
Reviews for Ao Hin Ngam
Conditions
Ocean conditions, forecast and tides for Ao Hin Ngam
Ao Hin Ngam Ocean Conditions
Monthly averages for Ao Hin Ngam, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (11.17, 101.33) (40km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29.1–31.1°C
Current Speed
7.07 cm/s
Direction: E (98.1°)
Salinity
31.67 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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