Originally Posted by gdemander

Yes, reservations in advance are needed. On two occasions the restaurant we were trying to reserve was booked so we made it for the following day. When you check in they give you a pamphlet of when each restaurant is available. You don't need to make reservations very far in advance, just the day of or the day before.

We went white water rafting through Issys Tours and Miravalles Green Adventure through Eco Explorer. Both were solid. The rafting has some pretty big rapids, so keep that in mind.