Scott - keep in mind how long drive to Key West is even from Miami. I used to live in Key West & it would take me 6+ hours to drive to see my family in Miami. Most of the speed limit is 30-40 mph & they have NO sense of humor when it comes to speeding down there. I have driven my boat & my RV down there - every time I do it I question my sanity. It is a great drive - esp. once you get on the other side of Key Largo, but know that it is REALLY long!