Best thing we did in Miami, EASY!!
My wife was really nervous to begin with, our tour guide (his name I can not remember) made her totally feel at ease
The tour around the homes, the bay, amazing and the knowledge of the guide was great, he was really funny,
We had some idiot in another big big boat going to fast in a certain area making a big wave which we thought would tip the boat. Our guide saw it last minute, told us to stay calm as it would take a wave 3 times its size to tip us, was scary but he made us feel totally safe
Please please go on this tour.
My wife nearly had an argument With me at the start of the tour as it was a surprise and she doesn't like water. At the end of the tour she said it as was the best surprise of the honeymoon.