Couchiching Court Buffet · Lunch – 12 PM to 4 PM – $ plus applicable taxes · Dinner – 4 PM to 9 PM – $ plus applicable taxes. . Seneca Niagara Casino Buffet, Niagara Falls Picture: Frutos do mar! - Check out Tripadvisor members' 43 candid photos and videos. Seneca Niagara Casino Buffet, Niagara Falls Picture: Frutos do mar! - Check out Tripadvisor members' 43 candid photos and videos of Seneca Niagara Casino. buffet casino niagara falls. All Categories, Additional On-site Dining, Bars and Lounges. Buffet, Burgers, Canadian, Coffee & Desserts, Deli, Italian, Mexican, Seafood, Steak, Sushi.