- Hollowshore Cruising Club
- Hoo Ness Yacht Club
- Hoverclub Cruising Club UK
Hovercraft Club of Great Britain- Hundred of Hoo Sailing Club
- Isle of Sheppey Sailing Club
- Kent Boat and Ski Club
- Kentish Sail Association
- Kingsferry Boat Club
Long Reach Ski Club- Lower Halstow Yacht Club