| Idrigill | 1 Idrigill Bed and Breakfast |
| Ifield Wood | 1 Ifield Wood Hotel |
| Ilam | 1 Ilam Bed and Breakfast |
| Ilfracombe | 13 Ilfracombe Hotels, 3 Bed and Breakfast, 1 Hostel, 2 Vacation Rentals |
| Ilkley | 1 Ilkley Hotel, 1 Vacation Rental |
| Ilmington | 1 Ilmington Hotel |
| Ilminster | 1 Ilminster Hotel |
| Ilsington | 1 Ilsington Hotel, 1 Bed and Breakfast |
| Inchbae | 1 Inchbae Hotel |
| Inchture | 1 Inchture Hotel |
| Ingleton | 3 Ingleton Bed and Breakfast |
| Innerleithen | 2 Innerleithen Hotels |
| Insch | 1 Insch Hotel, 1 Vacation Rental |
| Instow | 1 Instow Hotel |
| Inveraray | 1 Inveraray Hotel, 2 Bed and Breakfast |
| Inverarnan | 1 Inverarnan Hotel, 1 Vacation Rental |
| Inverclyde | 1 Inverclyde Bed and Breakfast |
| Inverfarigaig | 1 Inverfarigaig Bed and Breakfast |
| Invergarry | 2 Invergarry Hotels, 4 Bed and Breakfast |
| Inverlorn | 1 Inverlorn Vacation Rental |
| Invermoriston | 1 Invermoriston Hotel |
| Inverness | 18 Inverness Hotels, 42 Bed and Breakfast, 1 Hostel, 7 Vacation Rentals |
| Inverurie | 1 Inverurie Hotel |
| Ipswich | 4 Ipswich Hotels, 3 Bed and Breakfast |
| Ireby | 1 Ireby Hotel |
| Ironbridge | 2 Ironbridge Bed and Breakfast |
| Irthington | 1 Irthington Bed and Breakfast |
| Irvine | 2 Irvine Hotels |
| Isle of Anglesey | 2 Isle of Anglesey Bed and Breakfast, 2 Vacation Rentals |
| Isle of Arran | 1 Isle of Arran Hotel, 1 Bed and Breakfast |
| Isle of Coll | 1 Isle of Coll Vacation Rental |
| Isle of Harris | 1 Isle of Harris Hotel, 2 Bed and Breakfast, 1 Vacation Rental |
| Isle of Iona | 2 Isle of Iona Hotels, 1 Bed and Breakfast |
| Isle of Islay | 2 Isle of Islay Bed and Breakfast, 1 Vacation Rental |
| Isle of Lewis | 2 Isle of Lewis Bed and Breakfast, 1 Vacation Rental |
| Isle of Man | 1 Isle of Man Bed and Breakfast, 5 Vacation Rentals |
| Isle of Mull | 1 Isle of Mull Hotel, 4 Bed and Breakfast, 10 Vacation Rentals |
| Isle of Skye | 4 Isle of Skye Hotels, 7 Bed and Breakfast, 1 Vacation Rental |
| Isle of Tiree | 1 Isle of Tiree Bed and Breakfast, 3 Vacation Rentals |
| Isle of Wight | 4 Isle of Wight Hotels, 15 Bed and Breakfast, 18 Vacation Rentals |
| Isle Ornsay | 1 Isle Ornsay Hotel |
| Isles of Scilly | 2 Isles of Scilly Vacation Rentals |
| Isley Walton | 1 Isley Walton Bed and Breakfast |
| Ivinghoe | 1 Ivinghoe Bed and Breakfast |
| Ivychurch | 1 Ivychurch Bed and Breakfast |
