Bangka Belitung Province is an archipelago that has tremendous tourism potential because of its natural wealthand socio cultural potencies which enjoys increasing popularity among tourists. However, it isnow ironically threatened by tin mining activities, including in Bangka Island, in which Bangka Tengah Regency is located. Begadung Island in Bangka Tengah is, therefore, also threatened. Due to this, its potency should be studied, in an effort to propose a policy for its sustainability. A descriptive qualitative approach is utilized to explore data of Begadung Island tourism potency at the beginning of this planned research using secondary data and observation, as well as limited interviews with the stakeholders, chosen both purposively and randomly. Collected data was then analyzed qualitatively using triangulation technique. It was found that Begadung Island has indeed has authenticity, beauty and treasure, potential for tourism development. Tourists have started come for visits. Therefore, protection through ecotourism is very necessary. Further study is needed regarding the development of the potential of the Begadung Island region