The most famous and popular beach of Koh Samet, located in the north-eastern part, is also the largest in extent: at length it is about 1 km in width of 25-30 meters.

The name of the beach speaks for itself: the translation from Thai "Hat Sai Kaew" means "sand beach with crystal." Without the attention of tourists, he has neither day nor night - there are always plenty of people eager to rest and unforgettable impressions.

Happy to Hat Sai Kaew, you can have fun swimming, riding on a "banana", water skiing and windsurfing, and in the evening to go to one of the beach parties in the local bars. The beach is a unique quintessence of outdoor activities combined with paradise tropical landscapes and pristine sea.

Koh Samet offers its guests a relaxing and comfortable stay, which is already available on many popular resorts of the country. The main reason for holding back the negative impact of globalization is that the island is situated in the national park of Khao Laem Ya - Mu Koh Samet (Khao Laem Ya-Mu Ko Samet National Park) and any human activity can be found here under strict control. Due to this, even the most popular beach Hat Sai Kaew despite the constant filled with tourists is a clean, pleasant and suitable for swimming.

Near the beach is the village of the local people, where you can find such creature comforts as supermarkets and ATMs. In Hat Sai Kaew concentrated mainly bars, restaurants and areas with deck chairs for a beach holiday.

In August 2013 near the island of Samet accidental release occurred through the fault of the oil company PTT, for several weeks the accident was eliminated. Conducted by experts "Greenpeace" studies have shown that the state of water, air and marine life at Koh Samet is OK, any negative effects of the incident are not available.