All-inclusive resorts with water park(s) – western US/Mexico area not bahamas?

We want to go on a big family vacation, water park for the kids is a must… but we live in Utah so don’t want to fly TOO far away because of costs…anywhere on the west or western Mexico that would be fun?

Karmina Palace in Manzanillo, Colima
www.barcelokarminapalace.com
Club Maeva in Manzanillo, colima

http://www.clubmaeva.com/index2.html

Grand Mayan at Puerto Vallarta, but it’s not all inclusive.

http://www.mayanresorts.com/the-grand-mayan/nuevo-vallarta/

Greek Dance in the Bahamas