Sailing and Boating Organisations
Irish Sailing Association National Governing Body for sailing and boating
Irish Windsurfing Association
Women of Windsurfing Ireland
Cruising Association of Ireland
Irish Cruising Club
Inland Waterways Association Canals and rivers and lakes
Commissioners of Irish Lights Responsible for aids to navigation around the Irish coast The Marine Institute-research centre
Royal National Lifeboat Institution The Rescuers
Irish Water Safety
Dept of Transport Government and matters maritime.
Marine Casualty Investigation Board Investigate accidents and incidents afloat.
International Sailing Federation - ISAF
Royal Yachting Association
US Sailing
Australian Yachting Federation
Federation Francaise de Voile
International Sailing Schools Association
Association of Sea Training Organisations
UK National Federation of Sea Schools  
UK Maritime & Coastguard Agency  
UK Marine Accident Investigation Branch
UK Hydrographic Office They make the charts we use to navigate.