The objective of the project is to propose a national sustainable strategy for the island of Corsica based on diversification of productions and exports diversification. Based on this strategy the project propose a new organisation of the regional and local instititutions and promotional instruments in order to support in a more efficient way the companies already exporting and having an export potential outside the island. After a two month collection of data at the local and enterprise level, a thorough analysis of the constraints strength and opportunities was conducts including a benchmark with best practice in similar Island regions. A strategy and propositions for reforming some existing economical promotion instruments was elaborated. The result of the study was presented at local levels (villages and Small towns ) and was then presented to the Regional Assembly.