Desert Diamond Arena. The casino floor, with the fake roulette and craps, at Desert Diamond West Valley · The Rock Bar with the ever changing lights changing on its facade, as you. No. Dogs Allowed. Desert Diamond Casinos & Entertainment, with three locations in Southern Arizona (Tucson, Sahuarita, and Why) and one in the West Valley in. . We have the newest slots, table. Northern Ave. Desert Diamond Casino & Entertainment · W. Desert Diamond Casino West Valley · W Northern Ave. The $ million construction. Desert Diamond Arena. West Maryland Avenue, Glendale , Arizona. Glendale, AZ · Phone: () Toll-free: () DDC-WINS. Hours · Known For. Glendale, AZ Directions · () Call Now · More Info. Located in the heart of Glendale's Westgate Entertainment District, and with over 75, square feet of pure entertainment, Desert Diamond Casino West Valley is. What is the bag policy? The only approved bags are a crossbody. With over 75, square feet of gaming space, Desert Diamond Casino West Valley is where jackpots are a cause for celebration. A new Desert Diamond Casino is under construction at the southeast corner of Loop and Northern Parkway near Glendale.