Adults (13 years and over): $ Kids (5 – 12 years): $ · Friday & Sunday (Seafood Buffet) | We enjoyed the seafood buffet on a Friday night. There's. DINNER · Monday-Thursday (Prawn Buffet) | pm - late. Some really nice food, but we found we could eat better for half the price elsewhere. imperial hotel gold coast. There was lots of prawns and bugs and also oysters and mussels. . For us it was overpriced. Went there first night for convenience. They also had a great selection of roast. Harvest is the Gold Coast's ultimate buffet experience offering the freshest seafood, roasts from the carvery, a decadent dessert buffet and much more.