Which water playground do you recommend?

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.