Onusa Retreat. Set in a 60-year-old Thai teak house surrounded by a tropical garden, the property has seven villas. The one-bedroom villas range from 25-30 sq meters with rates starting from B9,114 for a 30-sq-meter garden villa. If you book 30 days in advance, you can take advantage of the early bird promotion with rates starting from B3,846 for a garden villa and B4,103 for a 25-sq-meter seaview villa. With its beachfront location and mountain views, walks along the beach are a must, or you can rent bikes from the resort and explore the numerous temples, waterfalls, caves, pineapple farms, fishing villages, and markets along the beachfront road from Khao Khalok to Sam Roi Yod.