The purpose of this paper is to develop strategy for successful ecotourism in Sundarbans, Bangladesh, based on studying and explaining the ecotourism destinations success factors in already developed successful ecotourism mostly in developing countries. This thesis will analyze the economic potentiality of Sundarbans as an ecotourism spots of Bangladesh and its proper utilizations to enhance ecotourism as a profitable approach for economic growth of Bangladesh. The findings of the study are the current condition of Sundarbans and some applicable recommendations according to the needs.