OneSpaWorld Holdings Limited operates health and wellness centers onboard cruise ships and at destination resorts in the United States and internationally. It offers massage and body care services and therapies, and aesthetics treatments; medi-spa services; and acupuncture, electric stimulation acupuncture, LED therapy, cupping, posture and gait analysis, and therapy for recovery. The company also provides fitness centers, and personalized training services and consultation; personal nutritional and dietary consultation, weight management, nutrition coaching and detoxification; hot and cold hydro-therapies and related amenities, such as thermal loungers, infrared saunas, snow rooms, laconiums, caldarium chambers, and hammams, as well as cold plunge pools, large therapeutic jacuzzis, and rooms surrounding occupants with layers of body cleansing salt crystals.