Jacó is one of the two largest tourist towns on the Central Pacific Coast of Costa Rica. Jacó Beach Costa Rica is about 130 km from San José's airport (SJO)The closest airport from Jacó is Juan Santamaria International Airport (SJO). Along the Autopista del Sol highway, Jaco Beach is only a quick and scenic 1 hour and 20 minute ride from the airport.
The safest and most worry free way to get to Jacó from the airport is booking a private van/airport transfer service to meet and greet you at the airport and bring you directly to your hotel or vacation rental condo/home in Jaco
There are hourly buses going to Jacó from the Coca Cola bus station in downtown San José. Fares are about US$7 each way however you must first find a bus near the airport to take you into downtown San José, which is 30 minutes in the opposite direction, then wait for the next bus to Jaco which is 2.5 hours by bus. While bus is cheaper, it's not worth the headaches and time it takes to get to Jacó by bus. Buses are very popular places for thieves and pickpockets to steal luggage and backpacks from unsuspecting tourists. You are always better off booking a private van/shuttle to get to Jaco Beach.