Guitar Scale Wall Chart, The C scale is featured. That's how I began learning to improvise. Time to learn some guitar THEORY and tune up your jams! Read more about the fastest way to learn theory for guitar in the link
Surfing is a must try in Costa Rica. You can get surf lessons pretty much anywhere on the beach. It is one of the most popular things to do in Costa Rica. Tamarindo, Jaco, and Puerto Viejo are great places to surf.