European marginalised areas are affected by an alarming rate of abandonment and depopulation. Thus, they are therefore object of specific European policies aiming to their reactivation. Official guidelines, both European and Italian, indicate sustainable tourism as one of the main triggers able to activate positive processes. This research experiments a suggestion in a case study, the North of Sardinia. The coastal areas of Sardinia are popular tourist destinations, particularly in the North with the famous Costa Smeralda. Therefore, it is worthy to imagine a way to allow them to discover the inner territories of the region too.