Most reasonable rental cars are from Harry, rents in Cobano and Liberia airports. Also has private shuttle service.
Whatsapp: +506-8821-8158
Also Budget, Hertz, Avis, etc
From San Jose, Liberia to Cobano and over 40 other locations
San Jose to Cobano (6x a day) and Private Charters
Budget, Avis, Hertz, Alamo, Economy, etc
Goes back and forth from Paquera and Puntarenas, easy way to get to San Jose. crossing takes 70 minutes
www.quickpaycr.com
Link to buy ferry tickets in advance. Ferry times change seasonally.
Blue Line Tours
www.bluelinecostarica.com
Los Delfines Beach to Jaco and other tours
NOTE: Just a remember to video tape the car before you rent, you will need a 4 wheel drive and get full coverage it's worth it because of the Costa Rica roads and weather and it's also less hassle when you return the car. (They always find something wrong to charge you)