Jacquie,
Somewhere on the Sunshine Coast (an hour north of Brisbane) for instance Mooloolaba, would give you access to Flinders Reef, ex HMAS Brisbane and Wolf Rock (about an hours drive north to Rainbow Beach). Sunreef in Mooloolaba also do whale watching trips.
Home - Sunreef
ScubaWorld
Wolf Rock Dive | Rainbow Beach
Somewhere on the Sunshine Coast (an hour north of Brisbane) for instance Mooloolaba, would give you access to Flinders Reef, ex HMAS Brisbane and Wolf Rock (about an hours drive north to Rainbow Beach). Sunreef in Mooloolaba also do whale watching trips.
Home - Sunreef
ScubaWorld
Wolf Rock Dive | Rainbow Beach