Canopy Tours & Hiking
A Zip Line tour allows you a unique perspective of the forest, and a little bit of adrenaline to boot. Zuma Tours is nearby and provides for an amazing experience. If you are heading out of Santa Teresa to the North, Wingnuts is another great option:
Just to the south of Santa Teresa is the world famous Cabo Blanco National Park. The forest and the beaches are pristine and well worth the hike: