Blue Economy is a broad concept that explore the sustainability within different industries including the shipping, fisheries, and maritime transport, moreover, a sustainable blue economy aims to provides social and financial benefits for next generations , in this regard the applications of smart technology in the marine industry aims to relish the previously unattainable ocean resources , moreover the implementation of the IOT in the fishery industry can enormously boost the degree of fishery modernization which plainly feature the need to speed up the improvement of the fishery Internet and large information industry, The purpose of this paper is to review the sustainable technologies implemented in the blue economy , especially the vessel monitoring system (VMS) ,In order to identify the best technological solutions applied in the blue economy.