MIA's terminal amenities and airport hotel can solve a short overnight, while the Rental Car Center is a separate stop reached by MIA Mover. Plan the sequence before pickup and use current airport information for terminal, hotel, dining, and transfer details.
An airport-area stay may be useful for an early flight, but confirm current room, dining, and transportation details rather than assuming the hotel and Rental Car Center share a shuttle.
Beaches beyond Miami Beach, the Keys, family luggage, and multi-neighborhood stays justify different vehicle choices. Price tolls, hotel parking, and the return route before booking.