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.
Sterling Allen Brown, the poet-teacher-scholar-critic-anthologist-bon vivant and raconteur, is an untapped resource and an undercredited father of Black literary and cultural studies. And I owe it all to Sterling Brown: the theory and practice of Black literary studies