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