. Grand Z features gaming machines and eight table games but does not have a poker room. Since purchasing it. The casino's 31, square foot gaming space features gaming machines and. Reviews ; / Cleanliness ; / Staff & service ; / Amenities ; / Property conditions & facilities ; / Eco-friendliness. The slot and video poker machines range in price from pennies up to. Grand Z Casino Hotel, Gregory St, Central City, CO See 40 customer reviews, rated stars. 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. Free WiFi is provided. Now $92 (Was $̶1̶0̶4̶) on Tripadvisor: Grand Z Hotel Casino by Red Lion Hotels, Central City. 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. The previous owners were more like a "Hard Rock Casino & Hotel". You can even book a room. Browse 52 photos and find hours, phone number and. review of The Grand Z Casino Hotel in historic Central City, Colorado. 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. See traveler reviews, 91 candid photos, and great deals for.