All of Chris' belongings are in a couple of duffel bags thrown into ocean, yet when the bags are unpacked upon arriving at island, there is no water damage to either his address book.
The terrace scene very late in film begins with characters commenting on sunset occurring behind them, yet the rest of scene plays out in bright afternoon sunshine.
Near the beginning of the film, when Taylor is lying on the bed, she pushes a button on the cassette player at her bedside which introduces John Barry's soundtrack music. However, the button she pushes is "rewind", not "play".