Since purchasing it. Grand Z Casino Hotel, Gregory St, Central City, CO See 40 customer reviews, rated stars. The previous owners were more like a "Hard Rock Casino & Hotel". Browse 52 photos and find hours, phone number and. Reviews ; / Cleanliness ; / Staff & service ; / Amenities ; / Property conditions & facilities ; / Eco-friendliness. Free WiFi is provided. One of the best details about Grand Z Casino sports betting venue is that it's open 24 hours a day, seven days a week. This relaxed, adult-only casino hotel is miles from Central City Opera House in the historic downtown area, and 12 miles from Argo Gold Mine and Mill. The slot and video poker machines range in price from pennies up to. Grand Z Casino Hotel in Central City features a casino, a bar and a restaurant. Grand Z Casino Hotel is in Central City, Colorado and is open daily 24 hours. review of The Grand Z Casino Hotel in historic Central City, Colorado. The casino's 31, square foot gaming space features gaming machines and. See traveler reviews, 91 candid photos, and great deals for. You can even book a room. Now $92 (Was $̶1̶0̶4̶) on Tripadvisor: Grand Z Hotel Casino by Red Lion Hotels, Central City. Grand Z features gaming machines and eight table games but does not have a poker room. .