There is  Wilson Parking available at Southgate directly underneath La Camera and Waterslide Bar (then you just take the lift to the Mid Level)

They offer secure undercover parking, including designated disabled bays, and is open 24 hours, every day of the year. Access to the Car Park is from either City Road or Southgate Avenue.

In addition there is car parking available nearby at the Travelodge -access from Southgate Avenue or the Arts Centre -access from Sturt and Kavanagh Streets, Southbank