For spa hotels in Ko Racha Yai, consider
The Racha,
Ban Raya Resort and Spa, or
Racha Island Resort.
The 5-star The Racha, with an impressive 9.2 rating, offers an extensive spa experience with a full-service spa, sauna, steam room, and a wide array of treatments including aromatherapy, facials, body wraps, and Thai massages. It also has dedicated couples treatment rooms and is very close to Batok Beach, just 0.1 km away.
Another excellent choice is the 4-star Ban Raya Resort and Spa, rated 7.0. This resort provides a range of spa services such as body scrubs, facials, massages, reflexology, and aromatherapy. Guests have specifically highlighted the cleanliness of the beds. It is located about 1.0 km from Batok Beach.
The 4-star Racha Island Resort, with an 8.0 rating, also features a full-service spa offering aromatherapy, body treatments, massages, body scrubs, and Thai massages. The resort provides various pool facilities, including an outdoor pool and a children's pool, and is situated 0.4 km from Batok Beach.