Each of the restaurants has 2 entrees that are extra charge (think lobster tail for around $22) but they all have entrees included in the "all inclusive" price. You will have no trouble getting shrimp, fish, etc at the seafood restaurant with no surcharge.
You might get lucky and walk up a table. Sometimes they have no-shows, usually it is later, like around 8 or 9...... Skip dinner and go to PatyO's, start having fun, you can have a nice dinner some other time.....