This book presents the Itatinga Ecotourism Theme Park Project - Itatinga Ecopark. The project is for the Itatinga Hydroelectric Power Station area, in the municipality of Bertioga - Baixada Santista, SP, Brazil. Bertioga is related to the origins of São Paulo and Brazil, as a strategic point for the first settlements in the 16th century, a landmark in the defense of Vila de São Vicente - the first official village in Brazil. The SP Council for the Defense of Historical Heritage - CONDEPHAAT - opened the process of listing Itatinga and its facilities (Process No. 40036/2000). The Itatinga Ecopark, through tourist use, aims to guarantee the preservation of the environment and of the historical, cultural, architectural, landscape, technological and scenic heritage. In its conception, in order to consolidate a general vision, planning and formulation of proposals was developed, with identification of thematic content, uses, sizing of support capacity, risks, equipment, environmental preservation and other actions, delimiting spaces with specific objectives, including management. The proposal preserves history, the past and memory in order to achieve sustainable development.