This article focusses on small insular spaces. In this this field of study, it has become necessary to first define the nature of the aformentionned geographical object and its limits. As we lack a positive definition of the island, we prefer to emphasize a category called "small insular spaces”. Next, a thorough discussion of the notion of insularity should help to set aside some determinisms. Indeed, if the effect of insularity on animal population and vegetation planting has long been accepted, the matter is quite different when one tries to find valid influences on societies. A outline of the various types of insularities will be suggested, and should offer few indications on the level of development and integration of small insular spa...