The Ritz-Carlton Koh Samui Koh Samui (The Ritz-Carlton, Koh Samui) is a hotel located in Koh Samui in the Bophut area. The Ritz-Carlton Koh Samui Koh Samui offers its guests, among other things: 3 swimming pools, free Wi-Fi, facing the sea, family rooms, a health and spa center, tea/coffee making facilities in all rooms and a bar.