Four Seasons Resort Oahu at Ko Olina introduces Naupaka Spa & Wellness Centre. The new spa takes up five floors, featuring 14 treatment rooms, hot and cold plunge pools, a steam room, sauna, needle shower, two salt chambers and an outdoor lap pool. A beer-serving barbershop and Billy Yamaguchi Salon complete the spa. The décor embraces indigenous art, native plants and natural wood elements. Indoor and outdoor spaces combine, with outdoor treatment spaces overlooking the ocean and the property’s gardens. Specialty treatments include halotherapy in the two Himalayan salt chambers, an ancient practice using salt inhalation to support the lymphatic system and reduce stress, among other benefits. Other treatments make use of Hawai’ian volcanic clay, local apothecary products and native plants, as well as Sodashi’s luxury skincare line. The spa additionally offers facials, manicures, pedicures and massages for children. Above the spa, the wellness center’s sixth floor boasts a 10,000-square-foot health club outfitted with trainers and exercise equipment. Next door is the Jim Courier Tennis Centre for private and group lessons, court rentals and five courts.