Atmospheric monastic ruins dating from the 6th century perch upon this unspoiled island in the Shannon Estuary near Kilrush, on Clare’s south coast. A high, round tower and several churches are all that remain of an extensive settlement founded by St. Senan. To visit the island, ask at the Kilrush information center, just past the pier, or just speak to one of the boat operators who arrange 20-minute ferry rides from the Kilrush marina. Frequency depends on demand; even in summer there may be only one trip per day.