State Associations
New South Wales www.optinsw.org.au/home/
Queensland www.optiqld.org.au/home/
South Australia www.optisa.org.au/
Tasmania www.revolutionise.com.au/tioda/home/
Victoria www.vioda.org.au/
Western Australia www.waioda.org.au/
National Association
Australian International Optimist Dinghy Association www.optimist.org.au/
International Class Association
International Optimist Dinghy Association http://www.optiworld.org/
