Irish Sea

Columns: Name | Area ( km² ) | Rank ( area ) | Permanent Population | Rank ( pop . ) | Country
Anglesey | 675 | 01 | 56,092 | 02 | Wales | Isle of Man | 572 | 02 | 84,497 | 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 | 3 | 06 | < 20 | 07 | Republic of Ireland | Ramsey Island | 2.58 | 07 | 0 | - | Wales | Bardsey Island | 1.79 | 09 | < 5 | 10 | Wales

Example questions:
What political group was created in 1925 in the country that owns the island in the Irish Sea where Mynydd Enlli can be found ? | What beach runs along the whole stretch of the island from the same country as the island in the Irish Sea also known as Reachrainn ? | What trust foundation owns the unpopulated island in the Irish Sea in the country that was ruled by Nordic peoples until the Treaty of Perth ? | What is the English name of the highest peak in the country where the Irish Sea island of Saint Cybi can be found ?

Answers:
Plaid Cymru | Dollymount Strand | Manx National Heritage | Snowdon