Surat Thani Province, Thailand

Thongson Bay Beach

Thongson Bay Beach is a serene location situated on the island of Koh Samui. It is known for its natural beauty and tranquility. However, it is somewhat secluded and might require a taxi ride to reach, making it an ideal spot for those seeking a relaxing vacation away from the hustle and bustle.

The beach offers services such as beach cleaning, contributing to its pristine condition. However, visitors should be aware of occasional issues with gasoline in the sea.

Discover accommodation options near Thongson Bay Beach and enjoy a serene escape on Koh Samui's tranquil shores.

Please note that there may be some confusion with the name, as it is sometimes mistakenly referred to as Thong Sai beach.

Visitor Reviews

Visitor reviews highlight the tranquility and beauty of the beach, with many appreciating the cleanliness and quality of the rooms. The location, although a bit remote, is appreciated by those seeking a relaxing vacation. However, some visitors complain about the need for constant taxi use due to the remote location and the presence of gasoline in the sea.

Where to Stay near Thongson Bay Beach?

Most visitors to Thongson Bay Beach in Koh Samui choose to stay in nearby areas like Chaweng or Bophut, which offer a range of accommodations and vibrant nightlife. For those who prefer staying closer to the beach itself, there are a few resort options within walking distance that cater to a more tranquil and secluded experience.

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

Where is Thongson Bay Beach?

Latitude: 9.5786346 / Longitude: 100.0802926

Thongson Bay Beach is located in Surat Thani Province. The following map of Thongson Bay Beach shows the exact location.

Thongson Bay Beach: Weather Today

📅 Friday, July 24, 2026
Today is unfortunately not a suitable day for a trip to Thongson Bay Beach. With thunderstorms and frequent heavy downpours expected throughout the day, conditions are quite poor for any outdoor activities or lounging on the sand. The sky will remain thick with dark clouds, and the breeze will be quite strong and erratic, making the environment unsettled. Please exercise caution and stay safe indoors, as the active weather makes the coastline dangerous for swimming or relaxing. The air temperature will reach 30.2 °C and the water temperature is 31.1 °C, but with the storm activity, you should stay away from the water. Even under the clouds, the UV index is high at 8.55, so take care if you must be exposed.
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Air

Low / High24.9°C/30.2°C
Feels Like (High)34.9°C
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Sea

Sea Temperature31.1 °C
Wave Height0.5 m
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Rain

Rain Chance94%
Rainfall17 mm
Rain Duration22 h
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Sun

Sunrise / Sunset06:08/18:43
Sunshine Hours7.6 hrs
UV Index8.55
Cloud Cover92%
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Wind

Speed20.4 km/h
Gusts50.4 km/h
DirectionW

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