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Phuket's wellness scene ranges from destination retreats with fitness and detox programs to serene resort spas focused on Thai massage. The island's hilly interior and quiet bays lend themselves to programs mixing Muay Thai training, yoga, nutrition and sleep coaching. For a gentler reset, look for traditional Thai herbal compress treatments, ocean-view yoga and juice cleanses, then add a day in the calm waters of Phang Nga Bay.