1. Look for reviews: Do some research online to find out which spas in Bali have good reviews from other travelers. You can check out websites like TripAdvisor or Yelp to help you narrow down your options.
2. Consider the spa's reputation: Some of Bali's hotels and high-end resorts have their own spas, which are usually very reputable. If you're staying at a hotel or resort in Bali, you might want to check out their spa options first.
3. Check the spa's credentials: Make sure the spa you choose is accredited by a reliable organization. The International Spa Association (ISPA) is one such organization, and you can check their website to see if a spa is a member.
4. Look for experienced therapists: Choose a spa where the therapists are experienced and trained in their field. Many of Bali's spas offer traditional Balinese massage, so make sure the therapists are trained in the specific type of massage you're looking for.
5. Consider the ambiance: Finally, consider the ambiance of the spa. You want to choose a spa that has a relaxing and peaceful atmosphere, so you can truly unwind and enjoy your experience.