We choose to book with Major Tom's Cave tubing ($51 included everything and a lunch). Our drivers and guides - Carlos, were hilarious and very entertaining and very knowledgeable! It was about a 30-40 minute drive to the caves. During the drive (in an air conditioned bus) Carlos told us all about the country and other interesting facts and tid-bits. When we got to the park, we got our tubes and hiked about 30 minutes (not a hard walk) to the start of the cave system. **Don't forget bug spray! Carlos pointed out different things in the jungle as we walked along. To get in the water you could jump off a rock (a lot of fun) or gently hop in the tube. You also had the choice to paddle/flat by yourself or to hook up with Carlos. I chose to be bymyself, and felt completely safe. The caves were amazing, and really beautiful. You won't see this anywhere else!
We chose to have the lunch- chicken rice and beans which was very good but was not much of a portion.
There were other tour groups there for the caves but Major Tom had a small group- no more than 20 people and we were really able to customize it.