This page is a list of the larger British Isles by area. The Channel Islands and Faroe Islands are not included in this list.
The area of Irish islands of Gorumna and Inishmore exceed some of the islands on the list, but accurate figures are required.
See also: List of the British Isles, List of islands
| Rank | Name | Area (kmē) | Island Group / Location | Country |
|---|---|---|---|---|
| 1 | Great Britain | 216,777 | England / Scotland / Wales | |
| 2 | Ireland | 84,406 | Republic of Ireland / Northern Ireland | |
| 3 | Lewis and Harris | 2,179 | Outer Hebrides | Scotland |
| 4 | Skye | 1,656 | Inner Hebrides | Scotland |
| 5 | Shetland Mainland | 969 | Shetland Islands | Scotland |
| 6 | Mull | 875 | Inner Hebrides | Scotland |
| 7 | Anglesey | 714 | Wales | |
| 8 | Islay | 620 | Inner Hebrides | Scotland |
| 9 | Isle of Man | 572 | Irish Sea | Isle of Man |
| 10 | Orkney Mainland | 523 | Orkney Islands | Scotland |
| 11 | Arran | 432 | Firth of Clyde | Scotland |
| 12 | Isle of Wight | 381 | English Channel | England |
| 13 | Jura | 367 | Inner Hebrides | Scotland |
| 14 | South Uist | 320 | Outer Hebrides | Scotland |
| 15 | North Uist | 303 | Outer Hebrides | Scotland |
| 16 | Yell | 212 | Shetland Islands | Scotland |
| 17 | Achill Island | 147 | County Mayo | Republic of Ireland |
| 18 | Hoy | 143 | Orkney Islands | Scotland |
| 19 | Bute | 122 | Firth of Clyde | Scotland |
| 20 | Unst | 120 | Shetland Islands | Scotland |
| 21 | Rum | 105 | Small Isles | Scotland |
| 22 | Isle of Sheppey | 94 | Kent | England |
| 23 | Benbecula | 82 | Outer Hebrides | Scotland |
| 24 | Tiree | 78 | Inner Hebrides | Scotland |
| 25 | Coll | 77 | Inner Hebrides | Scotland |
| 26 | Raasay | 62 | Inner Hebrides | Scotland |
| 27 | Barra | 59 | Inner Hebrides | Scotland |
| 28 | Sanday | 50 | Orkney Islands | Scotland |
| 29 | South Ronaldsay | 50 | Orkney Islands | Scotland |
| 30 | Rousay | 49 | Orkney Islands | Scotland |
| 31 | Westray | 47 | Orkney Islands | Scotland |
| 32 | Fetlar | 41 | Shetland Islands | Scotland |
| 33 | Colonsay | 41 | Inner Hebrides | Scotland |
| 34 | Holy Island, Anglesey | 39 | Anglesey | Wales |
| 35 | Stronsay | 33 | Orkney Islands | Scotland |
| 36 | Eigg | 31 | Small Isles | Scotland |
| 37 | Shapinsay | 30 | Orkney Islands | Scotland |
| 38 | Bressay | 28 | Shetland Islands | Scotland |
| 39 | Eday | 28 | Orkney Islands | Scotland |
| 40 | Hayling Island | 27 | Hampshire | England |
| 41 | Foulness Island | 26 | Essex | England |
| 42 | Scalpay | 25 | Inner Hebrides | Scotland |
| 43 | Portsea Island | 24 | Hampshire | England |
| 44 | Lismore | 24 | Inner Hebrides | Scotland |
| 45 | Great Bernera | 22 | Outer Hebrides | Scotland |
| 46 | Ulva | 20 | Inner Hebrides | Scotland |
| 47 | Whalsay | 20 | Shetland Islands | Scotland |
| 48 | Canvey Island | 19 | Essex | England |
| 49 | Mersea Island | 18 | Essex | England |