The archipelago includes 16 mountainous islands and islets, they are composed of magnetic rocks of different ages. The Northern part of Con Dao Island composed of quartz diorite and granite - granodiorit of late Mesozoic- early Cenozoic age, and is partially covered by Quaternary marine sediments. The Southern part of this island and Hon Ba island are composed of the riolit and intrusive formations of unknown age. On the western slope of Con Dao Island, there exist of outcrops of diorite and microgranit penetrated by big quartz bands 

Hon Ba or Little Con Lon Island

Cau Island or Phu Le

In addition to diving, palm-shaded beaches and rainforest trails, tourists can see a variety of wildlife, including nesting sea turtles, CNN said. Last month, New York-based Travel + Leisure magazine included Con Dao on a list of the best secret islands on Earth. In 2016, the islands made the Lonely Planet’s list of top 10 must-see places in Asia.

CNN’s list also included Koh Rong in Cambodia, Pangkor in Malaysia, Lampi in Myanmar, Palawan in Philipines, Raja Ampat and Samosir Island in Indonesia, and Koh Phayam in Thailand.