Mao Bay
Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Mao Bay lies on Koh Tao, an island in Surat Thani province off the southern Thai coast of the Gulf of Thailand, with dive boats typically running out from the town at Mae Haad. Divers here have reported a varied reef fish population, including blackeye thicklip, blue-barred parrotfish, doublebar rabbitfish, Hong Kong butterflyfish, longfin bannerfish, pink skunk anemonefish, redbreast Maori wrasse, slingjaw wrasse, scissortail sergeant, and titan triggerfish.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Hong Kong ButterflyfishChaetodon wiebeliReported here · unconfirmed
Blue-barred ParrotfishScarus ghobbanReported here · unconfirmed
Doublebar RabbitfishSiganus virgatusReported here · unconfirmed
Redbreast Maori WrasseCheilinus fasciatusReported here · unconfirmed
Blackeye ThicklipHemigymnus melapterusReported here · unconfirmed
Longfin BannerfishHeniochus acuminatusReported here · unconfirmed
Slingjaw WrasseEpibulus insidiatorReported here · unconfirmed
Pink Skunk AnemonefishAmphiprion perideraionReported here · unconfirmed
Titan TriggerfishBalistoides viridescensReported here · unconfirmed
Scissortail SergeantAbudefduf sexfasciatusReported here · unconfirmed
ParrotfishParrotfishReported here · unconfirmed
Mourning DoridJorunna funebrisObserved near here · iNaturalist
Surf ParrotfishScarus rivulatusObserved near here · iNaturalist
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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