Portus plus is the new ‘online-magazine’ edited by RETE (Association for the collaboration between ports and cities) will be dedicated to developing the themes in the relationship between city and port and the regeneration of urban waterfronts. In particular, exploiting the advantages of communicating on the Internet, Portus plus will become an opportunity to present original works, theoretical studies or the results of practical experiences. Portus plus will be edited twice yearly and may be consulted on the website of Rete, www.reteonline.org, in the ‘Portus Plus’ section. Anyone can participate in the selection of articles, by responding to the ‘call for papers’ in accordance with the procedures indicated in the forms. The papers submitted will be evaluated by a “Review Committee”, composed of prestigious international experts in the field, and, if they are considered worthy, will be published in the Portus plus digital magazine.