One of the most sustainable stays on Samui Island, Six Senses Samui is set on a gentle hill with breathtaking panoramas of the Gulf of Siam and its outlying islands. The bamboo walls and 66 split-level villas have open-style plunge bathtubs and a decoration that features natural earth tones and light cotton fabrics; 52 of the villas also have private infinity pools and sundecks that give the feeling of staying in a luxe treehouse. Private butler service is available. There is a water sports centre located on a private stretch of beach and a central infinity swimming pool with rows of relaxing day beds and parasols; or enjoy a variety of indulgent treatments in an individual spa that offers both indoor and outdoor. The restaurant Dining on the Hill serves classic Thai cuisine, whilst Dining on the Rocks serves fusion fair on nine private terraces right by the ocean. Both restaurants have bars attached, and Dining on the Rocks features a private wine cellar with a large international selection.