The research of this report describes the perception of the tourism development in three communities in different locations across the island of Flores in Indonesia. Two of the communities are traditional villages. The third is a typical Flores farming community. The research answers the following questions: Which impacts are important to the communities and how is the current situation with regard to each of these impacts? How sustainable is the tourism development and did the communities become depend on the new benefits? What can the people not tolerate to happen in their communities? Has the carrying capacity in terms of visitor numbers, acceptance of changes and livelihood transition been overstepped? The study considered 44 different factors in order to evaluate the impact of tourism development on the communities.