Heraklion Port Authority SA HERAKLION PORT AUTHORITY AE participated in the working session in Barcelona, within the European project “Psamides” for Small and Medium Ports, in order to present the final outcomes from the tested cutting-edge technologies we used (berth occupation sensors, remote water and electricity supply, IoT port management system) for transforming the marina into a smart one, and in general, to discuss the challenges towards innovation and sustainability as well as the possible further steps for being more competitive.