I've done Aquatopia. The lines move swift and are usually not packed. Never done the outdoor water park.
There is not really a line for aquatopia indoor park, and when there is it moves fast. I dont kbow about the outdoor park
The trick is to check in a couple hours early before regular check in hours or else there is a small line. At the slides, there is a wait for the two or three big ones but nothing else really.
I did not find a queue to get in, but there certainly is a queue for slides
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