New Jersey: Another state known for its thriving casino industry is New Jersey. This adds to the vibrant and lively atmosphere of the city, where people can enjoy their favorite games while sipping on a refreshing beverage.Ģ. In fact, it is quite common to receive complimentary drinks while playing in Las Vegas casinos. Nevada: As the gambling capital of the United States, it comes as no surprise that Nevada allows casinos to serve free booze. Let's take a closer look at these states and their policies on serving free drinks while gambling.ġ. Among the 13 states where non-Indian, non-racetrack casinos are operating, nine have chosen to embrace this practice. These states recognize that providing complimentary drinks can enhance the overall casino experience for patrons. In the world of gambling, there are certain states that have regulations allowing casinos to serve free alcoholic beverages to their customers.