The body was established in January 1991 during the 1991 World Aquatics Championships in Perth, Australia.

At the OSA Congress held in June 2008, Dennis Miller of Fiji was elected President of the organization.

[4] The body will next meet during the 2009 World Championships in Rome, Italy.

[5] In July 2009, an OSA President report cited the Vanuatu's non-member status is due to its new member status with FINA (i.e. the OSA may not have met yet since Vanuatu became a FINA member).

[6] As Tonga became a member in January 2010, it is presumed too recently approved for inclusion.