As of 2021, the top 10 largest casinos in the world based on their square footage are:
1. WinStar World Casino (Thackerville, Oklahoma, USA) – 600,000 square feet
2. The Venetian Macao (Macau, China) – 546,000 square feet
3. City of Dreams (Macau, China) – 420,000 square feet
4. Foxwoods Resort Casino (Ledyard, Connecticut, USA) – 340,000 square feet
5. Ponte 16 Resort (Macau, China) – 270,000 square feet
6. Tusk Rio Casino Resort (Klerksdorp, South Africa) – 266,330 square feet
7. Sands Macao (Macau, China) – 229,000 square feet
8. MGM Cotai (Macau, China) – 220,000 square feet
9. Seminole Hard Rock Hotel & Casino (Tampa, Florida, USA) – 200,000 square feet
10. Crown Casino (Melbourne, Australia) – 220,000 square feet