Saint Martin's Island's national significance for its unique ecological, aesthetic, social and biogeographic is getting increasingly recognized in Bangladesh. The book aimed to develop a sustainable coastal resources management plan in the context of socio-economic and ecological conditions of the island. Household questionnaire survey, Participatory Rural Appraisal (PRA) technique (transect line, resource mapping, timeline, seasonal calendar, key informants interview, group discussion along with fishing game technique and observation) were used to collect primary data, stakeholder opinion and to assess the coastal resources. Considering all the socio-economic, ecological, institutional aspects and opportunities, the island possesses for high potential for sustainable development and thus a coastal resource management plan has been shown in this book. This book is useful for all researchers and scholars who are engaged in environment and socioeconomic researches as well as pro-people planning of coastal resource management.