The dataset provides information about the location of shellfish farms. It relies on the EUROSHELL project (http://www.euroshell-net.eu/) for France, Ireland, Italy, the Netherlands and the UK (England and Wales). Euroshell data come from professional, scientific and governmental sources (Associazione Mediterranea Acquacoltori in Italy, the Sea Fisheries Protection Authority in Ireland, the Comité National de la Conchyliculture and IFREMER in France, Wageningen in the Netherlands). Data for other countries were not available in the Euroshell database so we used the lists of registered production sites under Council Directive 2006/88/EC on animal health. Points represented in the map correspond to different definitions depending on the source. They represent farm sites in Denmark, Greece, Ireland, Italy, Spain and the UK while they represent the centre of production areas for France and the Netherlands. The map provides information on main species produced, the type of data available (registered site, production areas, farms location) and whether it has been converted (areas to point) as well as the distance to the coast and the position (at sea or within the coastline -e.g. for estuaries). Additional, country-specific information is provided in complementary tables. Data for Scotland has been updated on the 17/02/2016. Other data sources are not updated on a regular basis.