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.
The comic strip author had been pushing the idea of Charlie Brown, his mischievous dog Snoopy and his friends for three years before it finally got published in nine newspapers in 1950. Shortly after more than 2,000 publications picked it up.