JW Marriott Ihilani Resort & Spa
Soak in warm seawater among velvety orchid blossoms at this unique Hawaiian hydrotherapy spa. Thalassotherapy treatments combine underwater jet massage with color therapy and essential oils. Specially designed treatment rooms have a hydrotherapy tub, a Vichy-style shower, and a needle shower with 12 heads. The spa's Ohia Ai Mountain Apple line of natural aromatherapy products uses the essence of the mountain apple fruit in lotions, bath salts, shampoos and conditioners. www.ihilani.com.