America's 5 Largest Casinos Are Not In Nevada

WinStar, Mohegan Sun, Foxwoods, Yaamava', and Thunder Valley rank among the biggest gaming destinations in the U.S.

Published on Feb. 15, 2026

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Although Las Vegas is known as the gambling capital of the world, the five largest casinos in the United States are not located in Nevada. Instead, two are in Connecticut, two are in California, and Oklahoma takes the top spot with the world's largest casino, the WinStar World Casino and Resort. These sprawling properties offer a wide range of gaming options, restaurants, entertainment, and amenities, making them must-visit destinations for casino enthusiasts.

Why it matters

While Las Vegas may be the most famous gambling destination in the U.S., these five massive casinos outside of Nevada demonstrate that there are plenty of other world-class gaming and entertainment options available across the country. The size and scale of these properties also highlight the growing popularity and economic impact of the casino industry in regions beyond the traditional gambling hubs.

The details

The WinStar World Casino and Resort in Thackerville, Oklahoma, is the world's largest casino, covering an impressive 616,960 square feet, with 400,000 square feet dedicated to gaming. Mohegan Sun in Connecticut is the second-largest, with more than 350,000 square feet of gaming space, while Foxwoods Resort Casino, also in Connecticut, ranks third with 340,000 square feet. Yaamava' Resort & Casino in California is fourth with 290,000 square feet, and Thunder Valley Casino Resort in California rounds out the top five with 270,000 square feet of gaming space.

  • WinStar World Casino and Resort opened in Thackerville, Oklahoma.
  • Mohegan Sun opened in Uncasville, Connecticut.
  • Foxwoods Resort Casino opened in Mashantucket, Connecticut.
  • Yaamava' Resort & Casino opened in Highland, California.
  • Thunder Valley Casino Resort opened in Lincoln, California.

The players

WinStar World Casino and Resort

The world's largest casino, located in Thackerville, Oklahoma, with over 616,000 square feet of space, including 400,000 square feet of gaming floor.

Mohegan Sun

The second-largest casino in the U.S., located in Uncasville, Connecticut, with over 350,000 square feet of gaming space, as well as extensive dining, retail, and entertainment options.

Foxwoods Resort Casino

The third-largest casino in the U.S., located in Mashantucket, Connecticut, with 340,000 square feet of gaming space and a wide range of amenities, including hotels, spas, golf courses, and a museum.

Yaamava' Resort & Casino

The fourth-largest casino in the U.S., located in Highland, California, with 290,000 square feet of gaming space and AAA Five-Diamond status.

Thunder Valley Casino Resort

The fifth-largest casino in the U.S., located in Lincoln, California, with 270,000 square feet of gaming space and a AAA Four-Diamond designation.

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What’s next

As these casinos continue to expand and evolve, it will be interesting to see if any of them are able to surpass the WinStar World Casino and Resort as the largest casino in the world.

The takeaway

These five massive casinos outside of Nevada demonstrate that the casino industry is thriving in regions beyond the traditional gambling hubs, offering travelers a diverse range of gaming, dining, and entertainment options across the country.