Shark Bay (Thian Og Bay)

Shark Bay (Thian Og Bay) is located in Southeast coast, Koh Tao, Surat Thani, and features calm and gentle currents, making it ideal for families with children and less experienced swimmers. The water quality is excellent, with clear visibility and clean conditions perfect for snorkeling. Be aware of rocky entry, especially during peak season. As one of Surat Thani's most visited beaches, it can get crowded during high season (November to April). Arrive early morning for the best experience and a good spot.

The best time to visit is during the dry season (November to April) when conditions are calmest. During monsoon season (May to October), expect stronger waves and reduced visibility. The beach is rated 4.5/5 by visitors.

• Always check the flag status before entering the water.
• Swim near lifeguard stations when available.
• Apply reef-safe sunscreen to protect both your skin and the marine environment.
• Keep valuables secured — don't leave bags unattended on the sand.
• Stay hydrated and seek shade during midday hours (11am–2pm).