Yes, Sheraton Vistana Resort Villas, Lake Buena Vista/Orlando has multiple pools on-site for hotel guests:
Splash Pads at Falls Pool and Cascades Pool (Outdoor)
Cascades Pool, Spa & Cascades Super Pool, and Fountains Pool (Outdoor)
Falls Pool, Courts Pool, Lakes Pool, Springs Pool (Outdoor)
Whirlpool
Water Slide