The best is the 81st floor, because it is an international gourmet buffet. There are different types of buffets on different floors of Bangkok Rainbow Sky Hotel: the 18th floor of Rainbow Sky Hotel is a fruit buffet, and the 75/76/78 floors are large international buffets, which are also the most popular ones in Bangkok.
The Rainbow Cloud Buffet and the Luxury Caravan Buffet on the 79th floor use top-quality ingredients to create a gourmet feast for you. The 81st floor features barbecue and international cuisine as the buffet content. The biggest selling point is that it is one of the highest restaurants in Bangkok and overlooks the night view of Bangkok.