| Carnival World Buffet at Rio Buffet Hours: Breakfast: Monday - Friday 8:00 a.m. - 11:00 a.m. Lunch: Monday - Friday 11:00 a.m. - 3:30 p.m. Dinner: Monday - Thursday 3:30 p.m. - 10:00 p.m. Champagne Brunch: Saturday & Sunday 8:00 a.m. - 3:00 p.m. Recognized as the best buffet in Vegas year after year by guests and critics alike, the Carnival World Buffet has raised the bar in buffet dining once again, offering more variety in food choices (more than 300 dishes prepared fresh daily) and a new contemporary design. From pizza to omelets, sushi to teppan yaki, fresh carved meats to Asian barbecue, the Carnival World Buffet offers numerous distinct dining experiences from around the world featuring live-action cooking right before your eyes guaranteeing freshness and top quality. Enjoy more than 70 varieties of homemade pies, cakes and pastries, and nine gelato flavors, all made from scratch. Carnival World Buffet at Rio is a great option for a Las Vegas Buffet.  | | | Rio Buffet | Breakfast, Brunch, Champagne Brunch, Lunch, Dinner | | Price Range | $$ | |