List of islands in the Irish Sea - wikipedia List of islands in the Irish Sea This is a list of islands in the Irish Sea. Listed below are islands in the Irish Sea which are over 1 km2 in area, or which have a permanent population : Name Area ( km2 ) Rank ( area ) Permanent Population Rank ( pop. ) Country Anglesey 714 01 69,000 02 Wales Isle of Man 572 02 80,056 01 Isle of Man Holy Island 39 03 13,579 03 Wales Walney Island 13 04 11,388 04 England Lambay Island 5.54 05 < 10 08 Republic of Ireland Bull Island 06 < 20 07 Republic of Ireland Ramsey Island 2.58 07 0 - Wales Bardsey Island 2.58 08 < 5 10 Wales Calf of Man 2.50 09 0 - Isle of Man Barrow Island Unknown - 2,616 05 England Roa Island Unknown - 100 06 England Ynys Gaint Unknown - < 10 08 Wales Piel Island 0.20 - < 5 10 England Ynys Castell Unknown - < 5 10 Wales Ynys Gored Goch 0.004 - < 5 10 Wales Other islands Cardigan Island Chapel Island Chicken Rock Church Island Cribinau Dova Haw East Mouse Foulney Island Headin Haw Hestan Island Ireland 's Eye Islands of Fleet Kitterland Little Ross Middle Mouse North Stack Puffin Island Rough Island St Mary 's Isle St Michael 's Isle St Patrick 's Isle Saint Tudwal 's Islands Salt Island The Scares Sheep Island The Skerries South Stack West Mouse Ynys Benlas Ynys Dulas Ynys Feurig Ynys Gaint Ynys Llanddwyn Ynys Lochtyn Ynys Moelfre Ynys y Bîg See also List of islands of England List of islands of Ireland List of islands of the Isle of Man List of islands of Wales List of islands of Europe List of islands References Jump up ^ Population figures are from 2001 Census, except : Isle of Man, from 2006. Populations of smaller islands are estimated at 5 per known inhabited house Jump up ^ Isle of Man Census 2006 Archived 2013 - 01 - 17 at the Wayback Machine. ( excluding the population of 2 living on the Calf of Man ) Jump up ^ National Statistics -- Walney North ( Ward ) and Walney South ( Ward ) Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_islands_in_the_Irish_Sea&oldid=817860865 '' Categories : Lists of islands by sea Islands of the Irish Sea Lists of landforms of Ireland Lists of islands of the United Kingdom Hidden categories : Webarchive template wayback links Talk About Wikipedia Add links This page was last edited on 31 December 2017, at 00 : 20. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: one of the british island in the irish sea
Answer: Walney Island