With the initiative of Marine Remote Sensing Group – MRSG) (http://mrsg.aegean.gr/) of the University of the Aegean, a web geospatial data portal (geoportal) will be developed in order to map marine geophysical parameters. The web portal development software which will be used will be GET SDI Portal, suitably configured in order to support advanced search, view and download services, in almost real time, as well as for satellite data of Copernicus system, via standardized web services.