Then take a cheap cab ride to the port from there. It would probably be a lot less expensive than paying for parking. then do the reverse when you return or Dollar rental car is even cheaper but their office is near the MIA airport which is quite a bit further from the port but they do offer a free shuttle.
Charlie Brown is the main character in the comic strip, Peanuts.
Mini Bio (1) Charles M. Schulz was born on November 26, 1922 in St. Paul, Minnesota, USA as Charles Monroe Schulz. He was a writer and producer, known for A Charlie Brown Christmas (1965), The Peanuts Movie (2015) and Bon Voyage, Charlie Brown (and Don't Come Back!!) (1980). He was married to Jeannie Forsyth and Joyce Halverson.