As of 2021, the top 10 land-based casinos with the most square footage are:
1. WinStar World Casino and Resort – Thackerville, Oklahoma, USA
– Total gaming space: 600,000+ square feet
2. The Venetian Macao – Macau, China
– Total gaming space: 546,000 square feet
3. City of Dreams Casino – Macau, China
– Total gaming space: 420,000 square feet
4. MGM Cotai – Macau, China
– Total gaming space: 400,000 square feet
5. Foxwoods Resort Casino – Mashantucket, Connecticut, USA
– Total gaming space: 340,000 square feet
6. Ponte 16 Resort – Macau, China
– Total gaming space: 270,000 square feet
7. Tusk Rio Casino Resort – Klerksdorp, South Africa
– Total gaming space: 266,330 square feet
8. Mohegan Sun – Uncasville, Connecticut, USA
– Total gaming space: 250,000 square feet
9. Casino Lisboa – Lisbon, Portugal
– Total gaming space: 165,000 square feet
10. Casino Estoril – Estoril, Portugal
– Total gaming space: 160,000 square feet
It’s worth noting that these rankings might vary over time as casino expansions and new developments continue to take place.