Buffet

The Waldorf Astoria Hotel
If you want an indulgent Sunday brunch experience, this is the place. Start at the Long Bar, sipping Champagne and eating oysters from 11am. Then, when you are ready, you can move to the Grand Brasserie, the main dining hall, for your brunch to begin. 988 RMB per person for buffet and free flow Perrier Jouet Champagne, 888 RMB for free flow wine and soft drinks, or 688 RMB per person for soft drinks only. Buffet includes unlimited seafood on ice and dry aged steaks, salads, starters and appetizers and one a la carte dish such as Eggs Benedict and of course, a wide selection of desserts.

Address: 
Heritage Building, 2 Zhongshan Dong Yi Lu, near Guangdong Lu, Huangpu District
黄浦区中⼭东⼀路 2 号上海外滩华尔道夫酒店

Yi Cafe (Shangri-La Hotel Pudong)
One of the best hotel buffet options around with many different food stations representing food from around the globe. This is a great option for both lunch and dinner. On the downside, it's in Pudong.

Address:
2/F, Grand Tower, 33 Fucheng Lu, near Lujiazui Huan Lu, Pudong District
富城路33号, 上海浦东香格里拉紫金楼2层近陆家嘴环路