The largest casino in America, and by extension the world, is WinStar World Casino & Resort. Where is the Biggest Casino in the World? If you want to know more about the world’s largest casinos, check out our full list below to discover the casino with the biggest gaming floor near you. The building sits on over 600,000 square footage, complete with golf courses, 17 restaurants, nightclubs, sports lounges, and so much more. Since the US is considered the gambling hub of the planet, you would expect to find the largest casinos in the world located there right? Oklahoma State is home to WinStar World Casino & Resort, which still holds the record of being the biggest casino in the world in 2023. Published by Nelly Roberts JanuCategorie(s): Casino News, Latest News