I'm of no help because there are only 6 of us in total going so we are having dinner (part of the package) and then we are probably going to pull up some chairs/tables at the lobby bar (or wherever) and hanging out together.
I think I will also do my first dance, cake cutting right after the ceremony before/after we do pics. I'm also looking into a afternoon cruise, dinner, drinks and then bed.
I've heard alot about renting Seagrape, bartender, dj etc. but I really think it depends on how many people you have going.
Good Luck!