It may not be nightlife in the traditional sense, however there is plenty to do at night in Gamboa.
We’ve gone canoeing a couple times on the river Chagres. The mosquitos can be brutal, but we’ve been able to spot several caymans and baby crocodiles.
On a few nights, we’ve seen a sloth and her baby, as well as a family of capybaras.
We went out to Pipeline one night, with a graduate student who does work on glass frogs.
Not only did we see four species of glass frogs, we saw a fer-de-lance, one of the most venomous snakes in Panama.