The Falls pool at the Vistana Resort has a small enclosed water slide. My 8 year old loves it. It's designed more for kids. The slide twists so it's not comfortable to an adult body. The Falls pool area is small and actually is our favorite pool, since it is smaller. The restrooms are right there - which is handy for adults with kids. Plus, it's near a pool bar, basketball court, playground, activity center and playground. I've never been to POR so I can't comment. The Vistana does have 7 pools which are all different. It's fun to pool hop around the resort. And the VR often has poolside BINGO and pool games for the kids!