I just came back from ultra and we stayed in South Beach. LOVED IT! Except... I was not a fan of the uber ride surcharges! Haha... In all honesty the prices were pretty reasonable and did not exceed 12 dollars a person during peak congestion. The most expensive part of the trip was alcohol, it aint cheap! If you thought Las Vegas had expensive alcohol, you are in for a rude awakening. LOL.
LOVE THIS POST BTW!