Tio’s Grille & Cantina Fontana 16943 Sierra Lakes Pkwy. Ste. B Fontana, CA 92336 Tel (909) 355-7770 Hours Daily: 9:00am – 9:00pm View Our Menu Best food ever!!!!! We Love Love Love Tios!! Great service and great food! This is our go to place. I love it so much here it's so yummy and I can say no to other places but once someone says Tio's all I can say is yes please. tiosrestaurantTio’s Grille & Cantina12.11.2015