Beneath the bright lights, you'll find the ultimate in gaming and comfort with more than 3, of the newest slots, from penny spins to $ high-limit machines. . From classic styles to the newest, popular machines, Seneca. Maintained by the Seneca Nation of Indians, the casino boasts a staggering 4, slot machines. From women's designer accessories and high-end men's merchandise. Seneca Niagara Resort & Casino offers a distinctive group of shops for your buying pleasure. 4th Street, Niagara Falls, NY Visit Website. Bears Den At Seneca Niagara Casino. See our upcoming shows at Seneca Niagara & Seneca Allegany! Seneca Niagara Now you can enjoy all your casino favorite Seneca Resorts & Casinos games on the go. When headline entertainers take the stage in our Bear's Den Showroom. Seneca Niagara Resort & Casino in Niagara Falls, NY USA boasts a AAA Four-Diamond hotel with rooms, exciting full-service casino & top-tier amenities. Seneca Niagara Resort & Casino features the best in Niagara Falls entertainment with world-famous performers, jaw-dropping shows, must-see concerts, and the. seneca niagara resort & casino.