International audienceIn many European coastal areas, urbanisation resulting from the rise of tourism industry and real estate activities is a critical issue in terms of land management and planning. Most of these developments can be seen as linked to the search for landscape amenities by people on holiday, those planning to buy second homes or those wishing to move to a new life. Coastal urbanisation therefore has a particular connection with the visual landscape properties of geographical locations. This article reports how, on the French Riviera, the issue of sea visibility has been studied in order to investigate how the contribution of a spatial knowledge of this amenity can serve town planning and land management.L’urbanisation issue ...