Accommodation options vary considerably on the Gold Coast. Information about hotels (besides the QT Hotel Surfers Paradise) can be found at:
https://www.destinationgoldcoast.com/plan/where-to-stay/hotels

If hotels are not your preferred choice of accommodation, there are plenty of other choices:

For those Australians who are thinking of attending, please note that the timing of the Congress coincides with school holidays in a number of States.