m. costs $ for adults and $ for children. Children four years and younger eat free. There is something for everyone! I have also eaten breakfast in the cafe, and. Seafood buffet should be on your list to try if it isn't already. ( IG: @holee_chan). m. to p. SUNDAY BRUNCH BUFFET MENU · SUNDAYS • 11AM - PM · DAILY • 5PM - 6PM. The Sunday brunch buffet at Anthony's Prime Steak & Seafood at the M Resort is one of the best in Las Vegas. Crab legs galore. From classic burgers, pastries, all-you-can-eat sushi and our award- winning buffet and steakhouse, you'll find plenty to enjoy at M Resort Casino · Casino. . Lunch is available from Monday to Friday a. The M Resort Casino is a little out of the way, but the lunch buffet is awesome. m resort las vegas lobster buffet.