I don’t know if it’s worth the extra drive over bridge over bridge to see. But there are bars and restaurants there to hangout, to recover before you head back. Also, it seems Professor Xavier built Cerebro there.
There are paid parking lots throughout South Beach (Miami Beach), which is on a barrier separate from rest of Miami. Don’t be late w feeding your meter. A few hours late and they will tow your car. But the tow lot is on the south end of the beach, so you can take a bus.
Street parking is much much tougher. But possible.
Since it was along the route. Daytona Beach was still too cold.