Most beaches are on the eastern side of the island. The beaches hide in small bays and stretch some 200 m. From the north, there are Hat Sai Kaeo, Hat Hin Khrong, Hat Khlong Phai, Ao Phutsa, Ao Thapthim, Ao Naun, Ao Cho, Ao Thian, Ao Wai, Ao Kio Na Yok and Ao Karang. The only beach on the western side is Ao Phrahis.
Hat Sai Kaew One of the most beautiful and most popular beaches on Ko Samet, Most of this space is taken up with deck chairs from the restaurants. The name speaks for itself, Hat Sai Kaew, which literally means Crystal Sand Beach, is a nice beach filled with activities. Visitors can enjoy sunbathing, swimming, jet skiing, windsurfing (700 baht/hr), catamaran sailing (1000 baht/hr) a banana boat or even partying at night. can get a bit noisy due to all the motorised activity though.