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

📅 Tuesday, June 9, 2026
Today is an unstable day for a beach visit to Thongson Bay Beach, as changing conditions make it difficult to enjoy a full day by the water. You should be prepared for passing showers throughout the day, which will interrupt any plans for sustained sunbathing under the clouds. With a maximum air temperature of 30.9 °C and a sea temperature of 30.6 °C, the water is warm enough for swimming, but the wind is quite strong and can make the environment feel restless. The UV Index is 7.25, so protection is necessary even through the cloud cover. Exercise caution with your belongings due to the powerful wind, and keep an eye on the sky for incoming rain showers that may dampen your experience.
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Air

Low / High26.9°C/30.9°C
Feels Like (High)34.6°C
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Sea

Sea Temperature30.6 °C
Wave Height0.4 m
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Rain

Rain Chance64%
Rainfall2.8 mm
Rain Duration7 h
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Sun

Sunrise / Sunset05:59/18:39
Sunshine Hours9.0 hrs
UV Index7.25
Cloud Cover96%
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Wind

Speed27.3 km/h
Gusts64.8 km/h
DirectionSW

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