However, effective tourism planning and policy making have rather been neglected. Though several attempts have been made to enhance its rapid development and promotion, these efforts have suffered some major drawbacks. The existence of planning and responsible tourism marketing including lack of information and sharing, information systems to assist decision making are even less apparent. Therefore, it is necessary to identify the area suitable for tourism in order to help in the decision making of the concerned authorities. This future planning is a very important aspect for high-quality tourism in Surat Thani province. Moreover, the rapid increase of visitors in this province can be considered a warning signal for tourism development in this region. Therefore, ecotourism planning is needed for sustainable tourism development the area.