Gold Coast beaches are no better than Ban Krut unless you want to surf.
Ive been to 100 beaches in Oz. They are better for waves but for sand and swim Ban Krut is as good as any.
You can sit and eat in restaurants too. Ao Manao great food, no real waves nice swim.
Heaps of carbs in those.
Steak, fish, oysters, onions, mushrooms, eggs, almonds, berries, bananas, coffee, fermented milk or yoghurt, salt and water is just about the perfect diet for nutrition and weight control.
Complete myth you need lots of veges.