Cát Bà Island, the largest island in the Cát Bà Archipelago, is located in Hải Phòng Province, Viet Nam, and is a key part of the UNESCO-listed Cát Bà Biosphere Reserve. Gifted with rugged limestone landscapes, pristine beaches, and rich biodiversity by Mother Nature, Cát Bà has become a sought-after destination for globetrotters seeking both …