On a side note, there is a resturant inside of the Mexico pavillion that has a similar affect. It's called San Angel Inn. IMO not quite as well themed as the Blue Bayou.
No, unfortunatly there is nothing like that at DIsneyworld. Only one is at DisneyLand. There is from what I have read a fast sevice Mexican place oposite from the ride that is counter service called el pirata. Sorry, but there are no sit downs specially for Pirates like there is in Disneyland.