Hạ Long Bay, in northeast Vietnam, is known for its emerald waters and thousands of towering limestone islands topped by rain forests. Junk boat tours and sea kayak expeditions take visitors past islands named for their shapes, including Stone Dog and Teapot islets.

  Bai Tu Long Bay occupies three quarters of Halong Bay World Heritage site, as well as many islands in Van Don, Cam Pha District. Travelling to Bai Tu Long Bay is off the beaten track and promises to deliver many unique experiences, far from the heavily touristic sites.  

Lan Ha Bay is located in the east of Cat Ba Island. It's overlooking the Van Gate, adjacent to Ha Long Bay. with over 7,000ha, of which 5,400ha is the management area of Cat Ba National Park. This is a very gulf-shaped bay about 400 large islands creating a huge picture depicting the scene.