Pier where Shawn & Gus are not allowed to board the Coast Guard pier and where they meet the oil baron in episode 3x06 "There Might Be Blood".
Source: Psych Forums
Source: Andres Flores — Twitter
Kate wakes up on her boat parked at the marina in pilot episode. From episode 1x02 "Priceless". From episode 1x03 "Benched". Appears in 5 more episodes.