Islands may have a diversity of classifications, however, on this paper we address the constraints that include these territories in the category of small islands: size and population. To this particular balance and relation between population and availability of the territorial resource it sums the particular economic structures and the peculiar social constructions that shape islands communities and their relation with the surrounding environment. The particular biogeography, the ecological specific features on islands and the fragile equilibrium they present stress the need for Conservation policies and strategies. Among the most effective tools used on Nature Conservation, protected areas and its management has become one of the most poplars. The aim of this paper is to give a framework and overview on the management of protected areas in small islands.