This book aimed to perform the economic valuation of the Dunas de Natal State Park, in Natal/RN, from the analysis of the Willingness to Pay (WTP) of students and servers of the Federal Institute of Education, Science and Technology of Rio Grande do Norte (IFRN) through the Contingent Valuation Method (CVM), considering its natural attractions. It was also made the analysis of the socioeconomic profile of students and servers and their interests on environmental issues, as well as estimated the DAP function by the use of environmental attractions of the park.