parking is either 11 or 12 dollars for the day. And there is a shuttle between Sea World and Busch Gardens. It actually picks up at like 6 or stops along 192 before getting on i-4. When we did it, you ride free over, but then have to buy a ticket from the ticket booth to get back on the bus, and it was only 10$ for each person. But just remember the bus doesn't get there till like 11am, and leaves around 5pm. At least that's the way it was for us. But if you're going in off season, it's plenty of time to get everything done, and doesn't leave that much earlier than park closing.