The goal of the Marine Aquarium Societies of Australia Incorporated is to represent;

• member marine aquarium societies, MASQ, MASRQ, MASS, MASOV and MASWA, and therefore their members,
• interested marine aquarium hobbyists with no local Marine Aquarium Society (MAS) available, MASAOG.

Whilst MASA does not purport to represent all Australian marine aquarists, any hobbyist may join an existing local society and therefore gain representation by MASA.  If no local society exists, a hobbyist can join the Orphans Group provided by MASA and gain representation.