This article is a list of some of the islands that form the British Isles that have an area of 1 square kilometre (247 acres) or larger, listing area and population data. The total area of the islands is 314,965 km2 (121,609 sq mi). Great Britain accounts for the larger part of this area at 66%, with Ireland accounting for 26%, leaving the remaining 8%—an area of 23,996 km2 (9,265 sq mi)—consisting of thousands of smaller islands. The largest of the other islands are to be found in the Hebrides and the Northern Isles to the north, and Anglesey and the Isle of Man between Great Britain and Ireland. Not included are the Channel Islands which, positioned off the coast of France, are not part of the archipelago.
There are 188 permanently inhabited islands in total:
- Isle of Man: 1
- Republic of Ireland: 62 and a part of Ireland
- United Kingdom: 123 plus Great Britain and a part of Ireland
List of islands by area
| Name | Area | Population | Location | Country or dependency | |
|---|---|---|---|---|---|
| km2 | mi2 | ||||
| Great Britain | 209,331 | 80,823 | 60,800,000 | — | England, Scotland and Wales, United Kingdom |
| Ireland | 81,638 | 31,521 | 6,378,000 | — |
|
| Lewis and Harris | 2,179 | 841 | 19,918 | Outer Hebrides | Scotland, United Kingdom |
| Skye | 1,656 | 639 | 9,232 | Inner Hebrides | Scotland, United Kingdom |
| Mainland (Shetland) | 969 | 374 | 17,550 | Shetland Islands | Scotland, United Kingdom |
| Mull | 875 | 338 | 2,667 | Inner Hebrides | Scotland, United Kingdom |
| Anglesey (including Holy Island) | 714 | 276 | 69,000 | Irish Sea | Wales, United Kingdom |
| Islay | 620 | 239 | 3,457 | Inner Hebrides | Scotland, United Kingdom |
| Isle of Man | 572 | 221 | 80,056 | Irish Sea | Isle of Man |
| Mainland (Orkney) | 523 | 202 | 17,162 | Orkney Islands | Scotland, United Kingdom |
| Arran | 432 | 167 | 5,045 | Firth of Clyde | Scotland, United Kingdom |
| Isle of Wight | 381 | 147 | 132,731 | English Channel | England, United Kingdom |
| Jura | 367 | 142 | 188 | Inner Hebrides | Scotland, United Kingdom |
| South Uist | 320 | 124 | 1,818 | Outer Hebrides | Scotland, United Kingdom |
| North Uist | 303 | 117 | 1,271 | Outer Hebrides | Scotland, United Kingdom |
| Yell | 212 | 82 | 957 | Shetland Islands | Scotland, United Kingdom |
| Achill Island | 147 | 57 | 2,620 | County Mayo | Republic of Ireland |
| Hoy | 143 | 55 | 272 | Orkney Islands | Scotland, United Kingdom |
| Bute | 122 | 47 | 7,228 | Firth of Clyde | Scotland, United Kingdom |
| Unst | 121 | 47 | 720 | Shetland Islands | Scotland, United Kingdom |
| Rùm | 105 | 41 | 22 | Small Isles | Scotland, United Kingdom |
| Isle of Sheppey | 94 | 36 | 37,852 | Kent | England, United Kingdom |
| Benbecula | 82 | 32 | 1,219 | Outer Hebrides | Scotland, United Kingdom |
| Tiree | 78 | 30 | 770 | Inner Hebrides | Scotland, United Kingdom |
| Coll | 77 | 30 | 164 | Inner Hebrides | Scotland, United Kingdom |
| Raasay | 64 | 25 | 192 | Inner Hebrides | Scotland, United Kingdom |
| Great Island | 61 | 24 | >13,000 | Cork | Republic of Ireland |
| Barra | 59 | 23 | 1,078 | Outer Hebrides | Scotland, United Kingdom |
| Sanday | 50 | 19 | 478 | Orkney Islands | Scotland, United Kingdom |
| South Ronaldsay | 50 | 19 | 458 | Orkney Islands | Scotland, United Kingdom |
| Rousay | 49 | 19 | 212 | Orkney Islands | Scotland, United Kingdom |
| Westray | 47 | 18 | 563 | Orkney Islands | Scotland, United Kingdom |
| Fetlar | 41 | 16 | 86 | Shetland Islands | Scotland, United Kingdom |
| Colonsay | 41 | 16 | 108 | Inner Hebrides | Scotland, United Kingdom |
| Holy Island | 39 | 15 | 13,579 | Anglesey | Wales, United Kingdom |
| Stronsay | 33 | 13 | 343 | Orkney Islands | Scotland, United Kingdom |
| Inishmore | 31 | 12 | 824 | Aran Islands | Republic of Ireland |
| Eigg | 30 | 12 | 67 | Small Isles | Scotland, United Kingdom |
| Shapinsay | 30 | 12 | 300 | Orkney Islands | Scotland, United Kingdom |
| Bressay | 28 | 11 | 384 | Shetland Islands | Scotland, United Kingdom |
| Eday | 27 | 10 | 121 | Orkney Islands | Scotland, United Kingdom |
| Hayling Island | 27 | 10 | 16,887 | Hampshire | England, United Kingdom |
| Foulness Island | 26 | 10 | 212 | Essex | England, United Kingdom |
| Valentia Island | 26 | 10 | 665 | County Kerry | Republic of Ireland |
| Scalpay | 25 | 10 | 10 | Inner Hebrides | Scotland, United Kingdom |
| Gorumna | 24 | 9 | 1,010 | County Galway | Republic of Ireland |
| Portsea Island | 24 | 9 | 147,088 | Hampshire | England, United Kingdom |
| Lismore | 24 | 9 | 146 | Inner Hebrides | Scotland, United Kingdom |
| Great Bernera | 21 | 8 | 233 | Outer Hebrides | Scotland, United Kingdom |
| Ulva | 20 | 8 | 16 | Inner Hebrides | Scotland, United Kingdom |
| Whalsay | 20 | 8 | 1,034 | Shetland Islands | Scotland, United Kingdom |
| Canvey Island | 19 | 7 | 37,479 | Essex | England, United Kingdom |
| Mersea Island | 18 | 7 | 7,182 | Essex | England, United Kingdom |
| Muckle Roe | 18 | 7 | 104 | Shetland Islands | Scotland, United Kingdom |
| Bere Island or Bear Island | 17 | 7 | 218 | Cork | Republic of Ireland |
| Arranmore or Aran Island | 17 | 7 | 478 | County Donegal | Republic of Ireland |
| Rathlin Island | 14 | 5 | 100 | Antrim | Northern Ireland, United Kingdom |
| Inch Island | 14 | 5 | 396 | County Donegal | Republic of Ireland |
| Walney Island | 13 | 5 | 11,388 | Furness | England, United Kingdom |
| Foula | 13 | 5 | 38 | Shetland Islands | Scotland, United Kingdom |
| Inishbofin | 13 | 5 | 184 | Galway | Republic of Ireland |
| Great Cumbrae | 12 | 5 | 1,434 | Firth of Clyde | Scotland, United Kingdom |
| Inishmaan | 10 | 4 | 157 | Aran Islands | Republic of Ireland |
| Papa Westray | 9 | 3 | 90 | Orkney Islands | Scotland, United Kingdom |
| Lettermore | 9 | 3 | 184 | Galway | Republic of Ireland |
| Fair Isle | 8 | 3 | 65 | Shetland Islands | Scotland, United Kingdom |
| St Mary's | 6 | 2 | 1,666 | Isles of Scilly | England, United Kingdom |
| Inisheer or Inishere | 6 | 2 | 343 | Galway | Republic of Ireland |
| Lindisfarne or Holy Island | 4 | 2 | 180 | Northumberland | England, United Kingdom |
| Lundy | 4 | 2 | 28 | Devon | England, United Kingdom |
| Tresco | 3 | 1 | 180 | Isles of Scilly | England, United Kingdom |
| Lambay Island | 3 | 1 | 7 | County Dublin | Republic of Ireland |
| Calf of Man | 3 | 1 | 2 (seasonal) | Irish Sea | Isle of Man |
| Lettermullen or Lettermullan | 3 | 1 | 214 | Galway | Republic of Ireland |
| Thorney Island | 2 | 1 | 1,079 | West Sussex | England, United Kingdom |
| Bardsey Island | 2 | 1 | 4 | Gwynedd | Wales, United Kingdom |
| St Martin's | 2 | 1 | 142 | Isles of Scilly | England, United Kingdom |
| St Agnes | 1 | 0 | 73 | Isles of Scilly | England, United Kingdom |
| Bryher | 1 | 0 | 92 | Isles of Scilly | England, United Kingdom |
See also
- British Isles
- List of islands in the Atlantic Ocean
- List of islands of England
- List of islands of Ireland
- List of islands of Scotland
- List of Orkney islands
- List of Outer Hebrides
- List of Shetland islands
- List of islands of the Isle of Man
- List of islands of the United Kingdom
- List of islands of Wales
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