Van Long Lagoon located in Ninh Binh Province is the largest wetland natural reserve in the Red River Delta. It features spectacular caves, many of which are unexplored. 

It has become an attractive eco-tourism destination and is home to thousands of animals, plants, and other aquatic life including rare species such as the langur, chamois, iguana and red faced monkey.

This brackish water lagoon has fascinating scenery. Surrounding the lagoon is a winding small road and off in the distance, there are the majestic mountain of Bach Ma and Lang Co Bay.

O Loan Lagoon at the foot of Quan Cau Pass in Phu Yen Province covers more than 1,500 hectares, and is popular for its peaceful ambiance with beautiful open space and fresh cool air. 

O Loan, a brackish water lagoon, has lots of oysters, shrimp, squid, jellyfish, seaweed, scallops and crab. Located along the shores of the lake is the casuarina forest – a haven for teal, pelicans, storks and ducks. 

Nha Phu Lagoon, located 15 kilometres from Nha Trang City in Khanh Hoa Province, has peaceful waters and breath-taking scenery and boasts a chain of islands, beautiful beaches and several resorts.

Coming to Nha Phu, guests have the opportunity to enjoy the natural attraction of the three islands – Hon Thi, Hon Heo and Hon Lao. 

Tam Giang, the largest lagoon in Southeast Asia, has a 24-kilometre length with an area of 52 square kilometres in the three districts of Phong Dien, Quang Dien and Huong Tra in Thua Thien-Hue Province.

Tam Giang Lagoon is the largest brackish water lagoon in Southeast Asia. It is home to more flocks of flamingo, wild geese, wild ducks than any other lagoon and is popular for its white water swimming and poetic vistas.