Changing seascape at Dun Laoghaire Harbour on the 13 Oct 2009 showing redevelopment work in progress at Carlisle Pier (also known as the Mailboat Pier) which was opened in 1859 but which became redundant in 1995.

The Lightvessel Gannet is berthed alongside having been withdrawn from service as the South Rock Lightfloat.

LV Gannet: Built 1953/54 by Philip & Son, Dartmouth. Length 134 feet, breadth 25 feet, depth 15 feet, approximate displacement 600 tons. Constructed of steel at a cost £95,200. Converted to automatic light float 1980/81.

Lightvessel Station South Rock: Established 01 April 1877. Automated - crew withdrawn 31 Mar 1982. Replaced by superbuoy on 25 Feb 2009.