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The legendary Gulf of Tonkin, bounded by both Vietnam and China, covers three bays: the UNESCO World Heritage Site of Halong Bay, Lan Ha Bay and Bai Tu Long Bay. It is one of the world’s natural wonders, peppered with over 3000 islands which create truly majestic and breathtaking views. Resulting from million of years of erosion, the islands feature numerous grottoes and caves, lagoons and coral reefs which display an amazing range of biodiversity. 

The Gulf of Tonkin’s amazing seascape and scenic beauty, has made it a dramatic backdrop and filming location for countless movies and documentaries, perhaps most famous of which is the French classic “Indochine”, set during Vietnam’s colonial era.
On board the luxurious The Au Co, you will voyage through this spectacular scenery; exploring the fascinating history and experiencing the authentic culture to be found in the Gulf of Tonkin.
Indeed, our unique 3 day 2 night cruise is the first of its kind to discover three different bays and its largest island