Scenic highlights: Dau Be Island: Located in the southeast of Ha Long Bay, Dau Be Island is 500m east of Hang Trai Island, and about 28 km from Bai Chay Cruise Port. Cong Do Island: Situated in Bai Tu Long Bay, southeast of Ha Long Bay, and 25km from Bai Chay Cruise Port, Cong Do Island is part of the natural World Heritage area. The island measures ​​23,363 sq km with mountains peaking at 172 m high. This beautiful island boasts sea valleys and natural lakes, and is home to many specials of marine flora and fauna. Bo Hon Island: rightfully appears on every list of most beautiful islands in Ha Long Bay, not only for its fantastic scenery but because it comprises one of the largest island chains in Ha Long Bay. Bo Hon is home to a host of famous caves including Sung Sot, Luon, Trinh Nu, and Trong as well as picturesque Dong Tien Lake. Its mountain peaks and steep cliffs stand in contrast to the deep blue-green sea like a larger-than-life watercolor painting.