The Vung Tau Wreck - This wreck is in fact located off Con Dao. The wreck dates from around 1690. Offers details of the history and the recovery and photos of recovered items. - http://www.maritime-explorations.com/vung%20tau.htm
The Con Dao Archipelago - Provides a brief overview. - http://www.haivenu-vietnam.com/des-con-dao.htm