The Atlantic Ocean is the world’s second-largest ocean and covers 20% of the earth’s surface. The waters around Ireland constitute a small part of that vast ocean but they are very productive; they support a diverse range of international fishing activities and contain important marine habitats and ecosystems. This resource requires careful management to protect vulnerable components whilst ensuring sustainable exploitation. This “Atlas of Commercial Fisheries around Ireland” provides a series of detailed maps of fishing activity around Ireland with the aim of providing insights into fishing activities and fisheries resources. Fishing effort is mapped by gear and country. Irish landings of the key commercial species are mapped individually and by gear. To provide a detailed mapping of fishing activity around Ireland.