The Hole in the Wall is almost that. It is a very small place, but is very well decorated with sea shells and a wall of hats behind the bar. The seating arrangement is a bit odd with three high tables permanently attached to wall and maybe a couple more regular tables for 4 and several bar stools. We had a party of 6 and shared a table with another couple. It was OK with us but it may have been overwhelming for them.
The menu is mainly seafood and oysters. A good selection of bottled beers is available. Soft drinks are by the can so no refills.
They know how to fry seafood. It is not greasy but very light and breaded just right. Our table had grouper, shrimp, chicken, and oysters combo baskets which comes with fries and a couple of hush puppies. A truly enjoyable meal.
You definitely need to visit this place if in Apalachicola.