Koh Thao, Surat Thani Province, Thailand

Sai Daeng Beach

Located in a charming cove on Koh Tao in Thailand, Sai Daeng beach offers a serene setting perfect for families with small children and pets.

The expansive sandy beach offers opportunities for swimming and a variety of entertainment options including snorkeling and kayaking.

Equipment rentals for diving and kayaking are readily available.

One of the area's highlights is the vibrant coral reef, a must-see for snorkelers.

Discover accommodation options near Sai Daeng Beach, where you can enjoy the tranquil cove and vibrant coral reefs.

Sai Daeng beach also boasts comprehensive amenities, such as restrooms, ample parking, and rentable loungers, as well as charming seafront bars and restaurants, ensuring utmost comfort and relaxation for visitors.

What to do at Sai Daeng Beach?

Amenities

Sai Daeng Beach amenities include parking, toilet and loungers.

Bars

You can enjoy a refreshing drink at one of the bars situated on the beach.

Restaurants

You can enjoy one of the restaurants at the beach while soaking up the sun.

Visitor Reviews

Visitor reviews highlight the beautiful and picturesque setting of the beach along with good snorkeling spots where visitors can see plenty of fish, turtles, and even sharks. However, some visitors have commented on dead corals, poor water visibility, and currents that can be dangerous for snorkeling.

Where to Stay near Sai Daeng Beach?

If you’re planning a trip to Sai Daeng Beach, consider staying in the nearby areas of Ao Leuk or Chalok Baan Kao, which offer a range of accommodations from budget hostels to luxurious resorts. Many visitors also choose to stay in the lively Sairee Beach area, known for its vibrant nightlife and easy access to other attractions on Koh Tao.

The following map shows available accommodations and their prices. See the full list of accommodation options here.

Where is Sai Daeng Beach?

Latitude: 10.06556518 / Longitude: 99.83958721

Sai Daeng Beach is located in Koh Thao. The following map of Sai Daeng Beach shows the exact location.

Sai Daeng Beach: Weather Today

📅 Monday, September 7, 2026
Today offers a rather disappointing beach experience, so you might want to rethink your plans for a relaxing day by the water. The sky remains mostly filled with clouds, and light rain is likely to linger throughout the day, creating damp conditions. A persistent breeze will make the air feel quite active, while the sea remains slightly choppy, which may not be ideal for calm swimming or snorkeling. Despite the gloomy outlook, the air temperature is quite warm at 30.3 °C and the water is a pleasant 29.9 °C. If you do head out, please be aware that the UV Index is high at 8.55, so protection is essential even through the cloud cover. It is best to stay flexible as the weather stays rather unstable.
🌬️

Air

Low / High27.6°C/30.3°C
Feels Like (High)35.7°C
🌊

Sea

Sea Temperature29.9 °C
Wave Height0.6 m
🌧️

Rain

Rain Chance68%
Rainfall0.8 mm
Rain Duration5 h
🌞

Sun

Sunrise / Sunset06:10/18:26
Sunshine Hours10.6 hrs
UV Index8.55
Cloud Cover80%
💨

Wind

Speed27.7 km/h
Gusts37.8 km/h
DirectionW

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