Class websites	Irish Websites
International 420 Class
International 470 Class
International 49er Class
Official website of the 1720 Sports Boats
	Ireland International Dart Association
International Dragon Association
Enterprise Association UK
International Europe Class Union
United Kingdom Fireball Association	Fireball Ireland
Flying Fifteen International	FFAI
GP14 Class International Association	Irish GP Class Assoc
Hurricane 5.9 Class Association
International Windsurfing Assoc
International J/24 Class Association
International Laser Class Association	Irish Laser Association
International Laser 2 Class Association
	IMCAI
Multihulls	Irish Multihull Association
Optimist	IODAI
RS UK	Irish RS Class Association
	Irish Ruffian Class Assoc
Squib UK
Topper UK	ITCAI
Wayfarer Association UK