[eng] Tourism is a vital sector for some countries or regions, for that reason and due to the globalization, that has developed in recent years, there has been an exponential increase in some destinations. In this work, an investigation on overtourism is carried out, explaining what it is, what consequences it has, developing a model that fits the characteristics of a “sun and beach” destination like the Balearic Islands and a series of indicators are elaborated to be able to measure them in a quantitative way.