Dock where Lassiter & Juliet get on the police boat and leave Shawn & Gus behind in episode 4x15 "The Head, the Tail, the Whole Damn Episode".
Source: Psych Forums
An injured Mr. Gold is brought ashore in episode 2x16 "The Miller's Daughter".
Ishiro Honda is filming his movie on the shore when a giant monster emerges from the water in episode 4x05 "Tagumo Attacks!!!".