The tourism sector has shown great economic importance and stimulated the growth of lodging establishments in Brazil. These establishments seek to locate in regions with known potential for tourism and for business. In this work, the lodging establishments of the municipality of Campos dos Goytacazes, RJ, are evaluated in respect to their efficiency from the perspective of customers, using the technique of Data Envelopment Analysis (DEA). The input and output data were computed based on data collected from the establishments’ websites. The mathematical models CCR and BCC oriented to outputs were solve dusing the package AIMMS to get the efficiency of each facility hosting. By ordering the lodging establishments according to their efficiency scores, the small establishments, in general private, have the opportunity to refer to those establishments with maximum efficiency, and then identify and make the necessary improvements to stay competitive and to not lose market for the establishments of hotel chains. The results obtained with DEA respond to the great challenge of this research: the family-running lodging establishments of Campos, RJ, need to improve their performance, in relation to the service offered to their customers, in order to remain competitive in the market facing the current country scenario?