Halong Bay borders Cat Ba Island in the southwest, the East Sea in the east, and the mainland, creating a 120 km coastline. Viewed from above, Halong Bay resembles a geographic work of art. While exploring the bay, you feel lost in a legendary world of stone islands. There is Man's Head Island, which resembles a man standing and looking towards the mainland.
Dragon Island looks like a dragon hovering above the turquoise water.
La Vong Island resembles an old man fishing. There are also the islands of the Sail, the Pair of Roosters, and the Incense Burner, which all astonishingly resemble their namesakes. The forms of the islands change depending on the angle of the light and from where the islands are viewed. Halong Bay has many links to the history of Vietnam. It has been proven by scientists that Halong was one of the first cradles of human existence in the area at such archeological sites as Dong Mang, Xich Tho, Soi Nhu, and Thoi Gieng.