Carabao Diving Resort is a family-run SSI dive centre and beachfront resort in Chalok Bay, Koh Tao, with more than 20 years of local diving experience and a 4.9-star rating from 200+ Google reviews. Rooms, pool, restaurant and the dive boat all sit on the same beach, so guests train and dive without transfers. Courses run in small groups (max 4 on Open Water) and are taught in English, Italian, German, Spanish, French and Thai. The resort has certified more than 5,000 divers and offers free pier pickup on arrival.