Trang · Trang · Thailand
Koh Ha
The archipelago's name—Five Islands—understates the drama. Sheer karst cliffs plunge into water so saturated with marine life that you'll spot cuttlefish hunting within arm's reach of your boat.
Reading live conditions…
Live from Open-Meteo · sea surface temperature and wave data modelled at 1-km grid resolution for Koh Ha. Numbers refresh at the hourly tick.
- Purity
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- Conditions
- 0%
- Crowd
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- Vibe
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The OnlyBeaches Index weighs four pillars against your chosen persona. Purity comes from water clarity and air-quality heuristics; Conditions from Open-Meteo waves, wind and temperatures; Crowd from historical patterns; Vibe from nearby events within 50 km. The score rebalances throughout the day.
The archipelago's name—Five Islands—understates the drama. Sheer karst cliffs plunge into water so saturated with marine life that you'll spot cuttlefish hunting within arm's reach of your boat.
Photos
8 captures from Koh Ha
About this beach
Where it is
Koh Ha
Trang, Trang, Thailand
7.4891°, 99.1733°
Top things to do
At Koh Ha
Reef Archways
Swim through submerged karst tunnels
Blacktip Sharks
Photograph juvenile hunters in shallows
Limestone Circuit
Paddle the five-island perimeter
Lagoon Drift
Float among angelfish in horseshoe bay
Near this beach
Places, rentals, tours and events within walking and driving distance of Koh Ha.
Questions people actually ask about Koh Ha.
Is it safe to swim and snorkel at Koh Ha?
Koh Ha offers generally safe swimming and snorkeling conditions, particularly during the dry season (November to April) when waters are calm and visibility excellent. The clear, sheltered waters around the islands are ideal for snorkeling with minimal currents in most areas. However, always snorkel with a buddy and stay aware of boat traffic, as tour boats visit regularly. Wear appropriate sun protection and consider a rash guard, as you can easily spend hours in the water. During monsoon season, conditions become rougher and tours may be cancelled. Life jackets are typically provided on tour boats and should be worn by weak swimmers.
When is the best time to visit Koh Ha?
The optimal time to visit Koh Ha is November through April during the dry season, when seas are calm, skies clear, and underwater visibility peaks at 20-30 meters. December to March represents the absolute best period with consistent conditions for snorkeling and diving. April can be hot but still excellent. May through October brings monsoon conditions with rougher seas, reduced visibility, and many tour operators suspending trips to the islands. For fewer crowds while maintaining good conditions, consider November or early December before peak tourist season. Early morning tours typically encounter calmer waters and better light for underwater photography.