The 49er, Laser, Men's RS:X and Women's 470 racing starts on 12 December before the Star Medal Race on 17 December. And the final fleets round things off on 18 December.
View the full schedule here.
Spectators at the Perth 2011 ISAF Worlds will be able to watch the action up close and personal and Perth 2011 Club Membership is available now giving members access to the Inner Circle Club House, PEET Champions Bar and both Grandstands.
In addition they will be able to enjoy special members only events. For more information head to the Perth 2011 website.