4th Street, Niagara Falls, NY Visit Website. 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. From classic styles to the newest, popular machines, Seneca. Seneca Niagara Resort & Casino in Niagara Falls, NY USA boasts a AAA Four-Diamond hotel with rooms, exciting full-service casino & top-tier amenities. 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. . 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. When headline entertainers take the stage in our Bear's Den Showroom. Seneca Niagara Resort & Casino offers a distinctive group of shops for your buying pleasure. 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.