With its status as an important port city, Hai Phong is focussing on developing sea-related tourism, especially in Cat Ba and Do Son.

The northern city offers tours that combine tourism and sports, shopping, conference, food, and spiritual and cultural events. It also co-operates with other provinces and cities to organise inter-provincial tours that take visitors to Do Son – Cat Ba – Ha Long and Hai Phong – Da Nang.

Cat Ba islands, the city's most popular tourism destination, have a world biosphere reserve, a national park, various kinds of forests, some submerged, caves, limestone mountains, lakes, and coral reefs. The islands are also famous as a habitat of the white-headed langur, a critically endangered species and endemic to the place. — VNS