I live in Miami and while there alot of parties going on in South Beach, the locals secret is to stay in downtown. I am not partying and then driving, so I rented a hotel in downtown right accross from the location where Ultra is taking place. A cab ride to the Beach will only be about $15.00 so if your going with a few people it would anly be a few dollars per person and there are so many cabs that linger around the hotels so you dont have to worry about them. And if you are renting a car ar bringing a car you will be fine. I am sure the hotels are filling fast.