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| Humber Mouth Yacht Club | View |
| Hunstanton Sailing Club | View |
| Hykeham Sailing Club | View |
| Hythe & Saltwood Sailing Club | View |
| ICC Salcombe | View |
| Imperial College Sailing Club | View |
| Irvine Boat Owners Association | View |
| Island Barn Reservoir Sailing Club | View |
| Isle Of Bute Sailing Club | View |
| ISO Uk Class Association | View |
| Itchenor Sailing Club | View |
| Jumbles Sailing Club | View |
| Kent Police Sailing Club | View |
| Keyhaven Yacht Club | View |
| Killyleagh Yacht Club | View |