Welcome on board !

Welcome to the official Website of the International 5.5m Class Association. It is our pleasure to present this exciting 5.5 keelboat class. Please take some time to browse our site to learn more about the boats and our Class Association. If you wish to sail on board one of these fantastic racing machines and be involved in pure yacht racing, do not hesitate to contact us or one of the National Class Associations.

The International 5.5 Metre Class is a class of racing yachts initially designed under the rules of the International Yacht Racing Union (IYRU) that is now known as the International Sailing Federation (ISAF).

Yachts of the Class are not identical but have to be strictly built as per the Class Rating Rules.

The 5.5mIC World Fleet Online Database estimates that approximately 800 boats have been built around the World.

read more