The Optimist: the most popular children's dinghy in the World

IOCA Nationals 23 - YouTube

IOCA Early Summers 24 - YouTube


Welcome to IOCA UK, the class association for the Optimist dinghy which organises events and training throughout the UK.  Most of the world's best sailors started in the Optimist dinghy and went on through other classes all the way to the Olympics.

Whether you are interested in training, or racing at local or national events, or the chance to take part in european events, IOCA UK is here to help you get started and support you along the way.



Check our Racing and Training calendars to find all of our upcoming national and regional events.

The News section has details of previous events and a form to signup for class email announcements.

Class Sponsors

Gill marine