Celebrate National Guacamole Day at Rock the Guac, where the Valley’s top chefs will be competing for the title of Top Guac. The event is Friday, September 16 from 6 p.m. to 9 p.m., held here at our Sands venue and hosted by the founders of the Arizona Taco Festival. Enjoy all the guac you can eat, snacks, two Patron margaritas or Corona cervezas, and live music.