When you're on an island, you expect expensive-ass food. That's just the way it is. You literally have no other option for food unless you brought some yourself, you're willing to take the ferry back to the mainland, or you're a really good swimmer.
The Rectory Cafe is well-priced, and the quality of the food was also a pleasant surprise. I had the Beef Brisket Burger, which was juicy and flavourful. The salad that came with it (no fries here. We fancy, huh?) was zesty and complimented the burger quite nicely.
The service took a while because we picked a VERY nice day to come to the island. We sat out on the patio with the sun shining down on our faces, and had a right good time. I would definitely recommend sitting out on the patio if Mother Nature allows it.
My girlfriend had the beer-mosa. It was good. Y'all should definitely try it out!