Taking the location into consideration, the food there are not too expensive.
This restaurant are doing quite good in traditional seafood - the more traditional is the food, the better it is!
So, try the traditional dishes (like steamed fish) first before you try new stuff!
Also, their food are quite fresh. Oysters are big and juicy. Beef are rich and fatty. Their vegetable dumplings are worth to try too!
However, I would suggest to go after 9pm for fewer people and shorter waiting time.