The dataset provides information about the location of seawater finfish farms in the EU and partner countries where data are available. There is an obligation for MS to inventory all authorized aquaculture sites under the Council Directive 2006/88/EC on animal health requirements. Despite this obligation, the availability of data varies significantly among MS from no data available at all to a complete regularly updated dataset (e.g.in Scotland). Most MS with only a marginal finfish production are not able to provide a list with the geolacation of farms. In the main producer countries, there is usually a public list of authorized farms with geolocation data and sometimes information on the species. Data is provided here for Cyprus, Denmark, Greece, Ireland, Finland, Norway, Spain and the UK. There are no sea-based finfish farms in Belgium, Bulgaria, Latvia, Lithuania, the Netherlands and Poland. Data are still missing in other EU MS. In the last version from June 28 2017, data for Norway was added and the layer was updated with new attributes. Main species have been listed as Yes/No/n.a. attributes (Arctic Char, Cod, Halibut, Lumpfish, Meagre, Salmon, Seabass, Seabream, Trout, Tuna, Turbot, Wolffish, Wrasse and Other Species) and the detailed original description of species has been added in a separate attribute. Information on Production Stage (Grow out for Human consumption, Hatchery, Nursery, Reproduction, Brood stock, Other) has been added for Greece, Norway and partially for Spain. Information on purpose (Commercial, Research, Education, Display) has been added for Norway. Status (Active, Application, Expired, Expired in Use, Inactive, Notice, Revised, Renewal) is provided for Ireland, Norway (only active farms) and the UK. Point information indicates if the data points correspond to the data provided by the Source ("Original") or if they have been estimated by the Emodnet team when Polygons were provided ("Polygon centroid", in Ireland only).