Are any of the slides open?

Yes, the slides are open :)

Mostly all indoor water attractions are open. They rotate times. Like the in the morning the rear kiddie pool is open then in the afternoon the front kiddies pool opens and the diving instructions

Yes, everything is wide open!

Yes all of them

All the indoor waterpark is open!! They'll be opening up the rest later this month or in June I believe.

Yes inside slides are open

Yes

All the slides are available throughout the day, but not all day.