Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Sanya Haitang Bay Thermal is a sophisticated wellness complex in the Haitang Bay luxury resort zone of Sanya, Hainan, where the world's largest duty-free shopping center has transformed a pristine bay into one of Asia's most extravagant luxury tourism destinations, drawing high-spending visitors from across mainland China and East Asia to its constellation of ultra-luxury international hotel brands, private beach clubs, and indulgent spa experiences. Haitang Bay's crystal waters and white sand setting frame a resort zone designed to compete directly with the Maldives and other Southeast Asian luxury destinations, offering Chinese travelers world-class international leisure experiences without leaving domestic territory. The geothermal spring facilities here combine Hainan's natural volcanic thermal heritage with contemporary Asian spa design philosophy, creating an immersive tropical bathing experience that complements the bay's extraordinary luxury resort ecosystem.
Insider tip — Sanya Haitang Bay Thermal sits within China's largest duty-free shopping zone on Hainan's northeastern coast, blending luxury retail, five-star resort hotels, and thermal bathing into an ambitious leisure destination. The sodium-chloride springs feed landscaped outdoor pools with views toward the Nanwan Monkey Island nature reserve across the bay. Haitang Bay's beach is notably wider and less crowded than Yalong Bay, and October to March brings dry sunny conditions ideal for combining spa treatments with open-air bathing. Flamingo mangrove kayaking tours depart from nearby wetlands.