I loved the narrated sunset cruise on the river in Naples. Like atrip through the wilderness of everglades, we saw many birds and a bald eagle. We saw dolphins feeding by the gulf of mexico. No manatees, but other travelers had seen them the day before. Tides are low sometimes, so we did have to be flexible on days/times. Our kids went kayaking here too and had a great time. Very clean place and pleasent people.
Pros: Nature at it's Florida best
Cons: low tides on the estuary