People were fishing off the 'pier'.
Couples walked on/along the 'pier'.
The ferry leaves from 'pier' 4.
(..) BIFF: Look at what we have here. Nice dress, Lorraine. Although I think you'd look better wearing nothing. LORRAINE: Take a long walk off a short pier. BIFF: There's that dance at school tonight. ...l'll give you the honor of going with the best-looking guy in school. I'm busy. - Doing what? (..)1989 Back to the Future Part II