Dalkey Island is an island for which the nearby village of Dalkey is named (Irish: Deilginis meaning "thorn island"). It is an uninhabited island located 16km south of Dublin and 3km south of Dún Laoghaire harbour. An important site of pilgrimage for centuries, it has been known as "St Begnet's Isle" since records began. The earliest reference to 'Dalkey Island' is from c. 1782. The island had a population of 8 in 1841.
