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Beachfront facilities, free parking, a shallow-water slope, and nearby snorkel options; confirms a quiet but convenient base.
Chalok Bay is Koh Tao’s sheltered south-side training bay.
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Chalok Bay is a sheltered south-side bay on Koh Tao with easy shore access, a shallow beach entry, and a beginner-friendly reef edge. It works best as a calm-water base for training dives and relaxed shore time, with the most useful underwater action on the outer slope and in nearby coves rather than in the sandy middle of the bay.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
1m - 20m
Depth Note
Public guides describe the shore as very shallow, with the beginner reef on the outer slope commonly cited around 5-14m and in training guides around 12-20m.
Best Season
Year-round; calmer dry-season conditions are usually the easiest.
Typical Conditions
Sheltered bay, shallow sand-to-reef slope, calm water, and a beach base with active training traffic.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Watch the shallow coral at low tide and give training divers space on the outer slope.
Access Restrictions
Use the public beach entry, avoid exposed coral at low tide, and keep clear of active training groups.
Legal Notes
Follow posted beach, resort, and training-zone guidance.
Community notes to help plan your visit.
Scuba Diving
Beginner-friendly training dives work best on the outer reef slope, where the depth stays manageable and the water is usually calm.
Freediving
Freediving is possible in the sheltered bay, but the site is mainly useful for easy-water practice rather than a dedicated freedive objective.
Snorkeling
The shallow edge is the best place to snorkel on calm days; the bay center stays very shallow, so use care around coral at low tide.
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Chalok Bay.
Directional shelter context for incoming swell.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
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Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Beachfront facilities, free parking, a shallow-water slope, and nearby snorkel options; confirms a quiet but convenient base.
Beginner-friendly 5-14m range, gentle currents, coral gardens, nudibranchs, and green turtles.
Chalok Baan Kao is used for beginner/intermediate training at 12-20m, with butterflyfish, triggerfish, turtles, moray eels, and damselfish.
Protected from wind almost all year; quiet base with dive resorts, cafes, restaurants, and easy road access.
Third-largest beach with shallow water, fewer boats than Sairee or Mae Haad, no pier traffic, and shallow coral formations at low tide.
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