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