Shuttle Services are widely available and reliable. We recommend to reserve in advance to ensure availability.
There are 2 prominent shuttle providers in Costa Rica and are listed below. And there are many private taxi and shuttle services available also. Both will get you to and from Jaco and the International Airport, along with many stops in between for under $30 per person.
From USA & Canada: +1-800-719-3905
From US or Canada: +1-888-535-8832 or +1-800-948-3770