I personally often go to the one at serangoon nex as its nearest to me. I have not tried the one at compassone yet though. Anyways here is a list to help you out https://sg.theasianparent.com/water-parks-in-singapore/
thanks
i like the one at jurong east swimming pool
Gardens by the bay and punggol safra are my faves!
Pirate Ship @Palawan Beach
Gardens by the Bay.
Joyce O. Lim