The Corleone Compound was shot in Staten Island, not Long Island, as described in the novel. FFC shot a scene with Hagen and Woltz on an estate on Long Island Sound, but it wasn't used in the movie.
Ntra la porta tua lu sangu � sparsu, E nun me mporta si ce muoru accisu... E s'iddu muoru e vaju mparadisu Si nun ce truovo a ttia, mancu ce trasu.