Get aerial views of Halong Bay on a 25-minute sightseeing flight in a seaplane, and discover a unique perspective on a landscape that’s been designated a UNESCO World Heritage Centre. See some of the 1,600 islands and islets that are scattered across the Gulf of Tonkin, along with lagoons, beaches, and towering sea cliffs. This small-group tour is limited to 12 people for a personalized experience, and both morning and afternoon departures are available.