Lismore Castle Arts is committed to the presentation and promotion of contemporary visual art in Southern Ireland. It hosts exhibitions of international significance alongside a series of smaller exhibitions, projects and events as well as a comprehensive education programme. Visitors are also invited to stroll through the beautiful Gardens at Lismore Castle and enjoy several pieces of contemporary sculpture that have been installed on permanent display.

Since 2011, the exhibition programme at the main gallery has been augmented by the addition of a project space: St Carthage Hall. This gallery is housed in a former church hall and features a year round programme of exhibitions and events, by local, national and international practitioners.