The ceremony will be live streamed via Facebook.
Haha, the simple answer is yes. Yes, you should come dressed in your best Havana Night themed outfit. Please visit LookBook for some tips.
The average high is 81 degrees and the average low is 67 degrees. The house is a few minutes from the beach and the hotel is across the street from the beach. Its good to bring a light sweater/sweatshirt for the evenings.