Biggest Casinos in South Dakota Sioux Falls 2026

Sioux Falls hosts South Dakota's biggest casinos in 2026, blending Midwest charm with massive gaming floors. This list spotlights top venues by size, slots, and tables.

Royal River Casino & Hotel

Grand Falls' flagship with 850+ slots near Sioux Falls.

  • 27,000 sq ft floor
  • Poker room 7 tables
  • Hotel: 120 rooms

Grand Falls Casino Resort

Largest in SD: 900 slots, 25 tables.

  • Smoke-free zones
  • Golf course adjacent
  • Spa services

Sioux Falls Washington Pavilion (Adjacent)

Not pure casino but hosts events with gaming pop-ups.

  • Seasonal slots
  • Convention gaming
  • Water park tie-in

Larchwood Casino (Nearby)

Cross-state giant: 1,200 machines.

  • Iowa border access
  • High-limit salon
  • Buffet 24/7

Dakota Sioux Casino

Tribal power: 500 slots + bingo hall.

  • Live music venue
  • RV parking
  • Players rewards

Size and Features Ranked

By square footage and amenities.

  • Largest: Grand Falls (40k sq ft)
  • Most slots: Larchwood
  • Best hotel: Royal River

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