• Arethusa Venture Centre
• Chatham Marina Berth Holders Association
• Chatham Maritime Marina
• Conyer Cruising Club
• Elite Sailing
• Gillingham Marina
• Hollowshore Cruising Club
• Hoo Marina
• Hoo Marina Berth Holders Association
• Hoo Ness Yacht Club
• Hundred of Hoo Sailing Club
• Isle of Sheppey Sailing Club
• Kingsferry Boat Club
• Long Reach Ski Club
• Lower Halstow Yacht Club
• Maritime Volunteer Service
• Medway Bridge Marina
• Medway Cruising Club
• Medway Motor Yacht Club

• Medway Outdoor Education
• Medway Sailability
• Medway Towns Rowing Club
• Medway Yacht Club
• Old Gaffers Association
• Port Medway Marina
• Queenborough Yacht Club
• Rochester Cruising Club
• Royal Engineer Yacht Club
• Royal Naval Sailing Association
• Segas Sailing Club
• Shoregate Wharf Sailing Club
• Sittingbourne Yacht Club
• Strood Yacht Club
• The National Sea Training Centre
• Upnor Sailing Club
• Victory Moorings
• Whitton Marine
• Wilsonian Sailing Club