Ao Yui
Protected Area
Chonburi Environmental Protected Area
Why dive here
With 54+ marine species recorded in the area - including sea turtles, tiger sharks and pufferfish - Ao Yui offers some of Koh Tao's richest reef diving. Water ranges 29-31°C, warmest April, May, June.
Ao Yui sits off Koh Tao's west coast, a shallow dive spot at just 14 metres deep. It’s perfect for beginners and those looking for a relaxed, easy dive. You’ll find a sandy bottom with a smattering of corals and small rocky outcrops, often hosting groups of fusiliers and rabbitfish. It’s a good place for macro spotting, too, if you take your time.
Typical Ao Yui Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to Ao Yui
Dive shops near Ao Yui
INDY FREEDIVE
NODC Sattahip Dive
Happydive.net
BBK Dive Sattahip
Super Dive Thailand
Real Divers
Reviews for Ao Yui
Conditions
Ocean conditions, forecast and tides for Ao Yui
Ao Yui Ocean Conditions
Monthly averages for Ao Yui, 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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