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| St Mawes Sailing Club | View |
| St. Ives Sailing Club | View |
| Staines Sailing Club | View |
| Staunton Harold Sailing Club | View |
| Stewartby Water Sports Club Ltd | View |
| Stokes Bay Sailing Club | View |
| Stour Sailing Club | View |
| Strand On The Green Sailing Club | View |
| Strangford Sailing Club | View |
| Strathclyde Police Recreation Association | View |
| Stubbers Young Mariners Sailing Club | View |
| Suffolk Watersports Association (South) | View |
| Sully Sailing Club | View |
| Sunderland Yacht Club | View |
| Sussex Yacht Club | View |