Dont forget entertainments, such as bars and such, resturants and dining halls, the minirailway with a ff7 train and a monorail with the ff8 train.
Doom Train, A ghost train. woooo!
Centra Ruins, a staged area for shows made to look like the centra ruins from ff8.
A ff5/6 pirate boat,the ones that swing. Going with a indoor aquapark, as the shipgrave yard from ff5, the villages of Kalm, and Dali, Black Mage village and such as up market apartments and bars and shops. Parts of the Shinra Tower for reception/admin offices