Sailing Scene Goof
That fender hanging off the front bow was a mistake on two levels. No experienced sailor sails with the fenders hanging in the water. It's poor form. Hubbell, in particular, wouldn't make that mistake.
Also, since it is hanging in the water during both scenes it shows they were filmed back-to-back. J.J. must have been in the cabin when they filmed the scene with Katie and vice versa.
The first scene, Hubbell and Katie sailing at sunset off Malibu, is perfect otherwise; with the music and cinematography and all...