You guys are gonna have such a blast!
Quepos has some beautiful beaches, hiking trails and wildlife.
Make sure to checkout a coffee and bannana plantation when you are there.
Whitewater Rafting on the Paquare River is also highly recommended!
Here are a couple of old videos:
Costa Rica Rain Forest Zip Line Video #1
Zip Line Video #2
If you are feeling adventurous -
Go Bungee Jumping - My 600+ foot jump!
I know this is your honeymoon, but a post from Dirty D would be incomplete without some debauchery:
Costa Rica Whore Interview Video
Pics from Dirty D's Whore Mongering Birthday Party