(Equation (3)), where Cfx is the correction factor of variable x, Lmx is the limiting magnitude of variable x and Tmx is the total magnitude of variable x. Considering that tourism is dependent upon environmental attributes, six correction factors were considered for this study: rainfall, strong winds, absence of sun, beach erosion and temporary closure, all selected because of their limiting power in the tourism activity, facility of analysis and because of enabling the measurement of the sustainability level of a tourist destination (Cifuentes, 1992; Cifuentes et al., 1999). Data for these parameters was obtained from White Papers and papers published regarding the beach, especially MAOT (2000), Dias et al (2004) and Ciavola et al (1998) and the calculations are presented below: