Are there any multiple groups of gyms you can join in Sydney?

When I was in London, I belonged to the London Fitness Network which was great because I could go to any council gym in London for only a few pounds more than joining a single gym. Are there any networks like that in Sydney, Australia?

Fitness first, you can use there passport membership which allows you to go to any one of there gyms

Sport Business Network interview with Sean Daly Charlton Athletic Community Trust

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