Above Dadonghai Bay, JW Marriott Hotel Sanya Dadonghai Bay looks towards Hainan Island’s sea, mountains and tropical coastline. Rooms are bright and relaxed, many with balconies or ocean outlooks that keep the resort setting close. Restaurants, pools, lounges, event spaces and nearby beach access give the property a broad leisure rhythm, with gardens and water views shaping the public areas. The mood is softer and more resort-led than an urban JW Marriott, shaped by coastal air, tropical planting and the curve of the bay.