The biggest casinos in the US are much more than casino destinations — they are giant entertainment resorts providing all the amenities of luxury hotels and fine dining along with concerts, shopping, and spa treatments. As the American gaming market keeps expanding, these behemoth properties demonstrate the enormity and excess the world of casinos can deliver.
In this guide, we cover the largest casinos in the US by square footage, games, and amenities.
What Does it Take to Be One of the Largest Casinos?
The “largest casinos in the US” typically is measured by floor space used for gaming. Mega-resorts also excel in other aspects:
Major Indicators
- Gaming Floor Area (square feet)
- Number of slot machines and tables
- Hotel rooms
- Entertainment venues and facilities
- Traffic and revenue of visitors
Let’s tear down the American gaming giants.
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WinStar World Casino & Resort – Thackerville, Oklahoma
Key Facts
- Gaming space: More than 400,000 square feet
- Slot machines: 10,000+
- Table games: 100+
- Poker rooms: Special section with tournaments
- Hotel rooms: 1,500+
WinStar World Casino is officially the largest in the US — and the globe. Owned and operated by the Chickasaw Nation, it boasts international-themed gaming plazas, world-class entertainment, golf courses, and fine dining. It’s actually a casino city.
Mohegan Sun – Uncasville, Connecticut
Key Stats
- Gaming space: 364,000 square feet
- Slot machines: 6,500
- Table games: 370+
- Hotel rooms: 1,600+
- Arenas: 10,000-seat Mohegan Sun Arena
Mohegan Sun is owned by the Mohegan Tribe and is an East Coast gaming and entertainment destination. It’s not just one of the biggest casinos in the US but a full-fledged resort with spas, nightclubs, and one of the best concert venues in the nation.
Foxwoods Resort Casino – Mashantucket, Connecticut
Key Stats
- Gaming space: 344,000 square feet
- Slot machines: 3,500+
- Table games: 250+
- Hotel rooms: 2,200
- Shopping: Tanger Outlets on-site
Owned by the Mashantucket Pequot Tribal Nation, Foxwoods is a casino landmark in American history. It blends classic gaming with huge resort-style living, and it is a tourist and serious gambler’s delight.
Thunder Valley Casino Resort – Lincoln, California
Key Stats
- Gaming space: 275,000 square feet
- Slot machines: 3,400+
- Table games: 100+
- Hotel rooms: 400+
- Spa and dining: Several fine dining restaurants and full-service spa
Thunder Valley is the largest casino in Northern California and one of the largest west of Las Vegas. It belongs to the United Auburn Indian Community and is distinguished by its upscale amenities and competitive players’ rewards scheme.
Seminole Hard Rock Hotel & Casino – Hollywood, Florida
Key Stats
- Gaming space: 245,000 square feet
- Slot machines: 3,000+
- Table games: 200+
- Hotel rooms: 1,200+
- Iconic feature: Guitar-shaped hotel tower
The Seminole Hard Rock in Florida is renowned not only for gaming, but for stunning architecture and nightlife. It’s among the biggest tourist attractions in Florida and one of the industry leaders.
Standout Honor
Although not among the top five, some other casinos merit an honorable mention for their magnitude and impact:
Resorts World Las Vegas – Las Vegas, Nevada
- One of the newest and most upscale casinos in Las Vegas
- Comprises several resort towers and upscale experiences
MGM Grand – Las Vegas, Nevada
- Formerly the world’s largest hotel
- Features extensive gaming, huge sportsbook, and celebrity restaurants
Pechanga Resort Casino – Temecula, California
- One of the largest tribal gaming parlors in the West
- Expanded hotel and convention facilities with 200,000+ square feet of gaming
Why Visit the Largest Casinos in the US
Advantages of Big Casino Resorts
- Games variety: Penny slots to high-limit tables
- Top-notch entertainment: Concerts, shows, and celebrity DJs
- Luxury amenities: Spas, golf, pools, and gourmet restaurants
- Accommodation varieties: Budget to VIP suites
- Rewards programs: Earn comps and cash back on play
Regardless of whether you’re in it for the games, the nightlife, or the luxury, the biggest casinos in the US have something for every type of visitor.
Closing Thoughts on America’s Biggest Casinos
The US’s biggest casinos provide more than square footage — they provide a experience. With expansive gaming rooms, luxurious suites, and unforgettable entertainment, these megasorts are the epicenter of the US casino market.
Whether you’re looking to try your luck at a table or enjoy world-class amenities, a trip to one of these places is sure to be unforgettable.