They tend to be expensive, the servings may be too small, make sure the food is well preserved in the refrigerators during the summer period. Beverages are usually quite expensive.
Unique Suggestions: Bargain before you order your fish, the servings may be much smaller than you think...Ask the prices and make sure you get it right. Sometimes you may have to pay a lot more money to a salad than a fish plate. Try the local entrees, they may be expensive but usually delicious.
Try to see the food before it is cooked. This is usually possible through the windows of the coolers.
Make sure the water bottles are opened in front of you. Don't accept open water bottles.
Fun Alternatives: Try to stick with the group and bargain alltogether. The food will be delicious most of the time. Try to see some restaurants before deciding where to eat.
Dont wait until you are very hungry so that you cant wait any longer...