Review for Harrah's Las Vegas Casino & Hotel Review For Harrah's Las Vegas Casino & Hotel Google User Mar 31 '16 at 8:12 Mari is the greatest server is Las Vegas! She was the sole reason my friends and I continued to gamble at Harrah's! I've been to every casino in the downtown area and Mari made Harrah's the greatest casino experience. We love her! Keep up the good work!!! View full site to comment or like