Enjoy a 15% discount when you book this two-night cruise with Syrena Cruises a week prior to departure. The ship explores several bays in the Gulf of Tonkin, including fantastic caves and fishing villages. All meals are included in the package, plus activities such as morning tai chi, cooking classes, and kayaking. 
Price: From 3,750,000 VND per person 

Details and booking: Syrena Cruises