The ECOMERS laboratory (FRE 3729 UNS-CNRS) University of Nice Sophia Antipolis (UNS) held from June 14 to 16 a conference on marine protected areas (MPAs). Approximately 40 scientists, managers, financial officers and distinguished guests participated with the main objective to improve the effectiveness of MPAs in the Mediterranean and to sensitize to policy makers and the general public of the importance of these areas. HSH Prince Albert II of Monaco was the guest of honor on Thursday June 16th, and spoke on the support provided by the Foundation Albert II of Monaco to the protection of the oceans and seas.