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Koh Tao east-coast calm conditions and year-round diving guidance.
Dive Spot Guide•
Mao Bay
Calm Koh Tao bay with artificial reef and easy reef diving.
Local operator required
Local Koh Tao dive centers use Mao Bay for training, refresher, and afternoon fun dives.
Calm east-coast Koh Tao bay with an artificial reef, shallow coral, and rock formations that work well for training and relaxed dives.
About Mao Bay
Mao Bay is a calm east-coast Koh Tao bay with an artificial reef, shallow coral, and rock formations that make it a good place for training dives and easy fun dives. Divers can work the shallow reef or head farther into the bay for more structure, and the site rewards good buoyancy with healthy coral, lots of reef fish, and a low-pressure feel rather than a crowded one. It is a relaxed place to practice navigation, enjoy a gentle reef profile, and spend time in water that usually stays easier than the island's more exposed sites.
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Research Estimate At Mao Bay
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 25m
AccessChallenging entry effort
CoralHealthy coral
Aquatic LifeGreat variety
FacilitiesLimited facilities
Crowd / PopularityVery quiet
CurrentNo current
SurgeFlat calm
Where Is Mao Bay?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Mao Bay Planning Details
Depth range, seasonality, and planning context.
Reported Depth
15m - 20m
Depth Note
An artificial reef sits around 15 m and the site drops to about 20 m.
Best Season
Year-round, with the most reliable conditions from late December through September.
Typical Conditions
Calm east-coast bay conditions, a shallow-to-mid-depth reef and artificial reef profile, and a low-traffic setting that suits training and relaxed dives.
Safety & Access At Mao Bay
Site conditions, restrictions, and access requirements.
Safety Notes
Bring water and plan for a walk in, because there are no shops or services along the trail or at the beach.
Access Restrictions
Remote beach access; the site is reached on foot unless you charter a water taxi.
Local Intel For Mao Bay
Community notes to help plan your visit.
Scuba Diving
A shallow reef and artificial-reef site with gentle navigation, good for training dives, refresher dives, and relaxed exploration.
Recent Logged Visits At Mao Bay
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Mao Bay
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility25m
Activity
No dive activity logged yet.
