In 1991 Louisiana approved riverboat casino gambling, it was actually the fourth state in the U.S. Visit our Louisiana casinos map page to see a detailed map showing all casinos in that state. Want to See a Map of all casinos in Louisiana? Queen Baton Rouge, The – Formerly known as Hollywood Casino Baton Rouge.Margaritaville Resort Casino – Bossier City.Click on a casino name to see a page of detailed information about that particular casino. Shown below is a list of Louisiana casinos. Louisiana is home to four types of casinos: riverboat casinos, Native American casinos, racetrack casinos, and one land-based casino.