This October, Jen and I are in Miami for a friend's wedding. We're going to make a bit of a holiday of it, so we're coming over a week before, and staying a week later.

For the first week, we're planning on driving down to the Florida Keys, and we've got to be back in Miami for Wednesday.

For the second week, we're thinking of driving up Orlando way, and then maybe making our way back to Miami via the Gulf Coast, spending a couple of days there.

So, my question: Any recommendations of things to see/do or places to stay in the Keys? And the same question for the following week. What's near Orlando that's good to see? Should we skip Orlando entirely and do something else?