To San Pedrillo or to Llorona Beach, located to the north of the park, you can find some boats that come from Drake Bay.
Several buses leave on a daily basis from Puerto Jiménez to La Palma.
Drive 45 km to the extreme south of the OSA Peninsula until you get to Carate. A 4X4 vehicle leaves from Puerto Jiménez 6:00 a.m daily and costs 9 US$ per person. Another option is to rent a vehicle for 60 US$. The return trip to Puerto Jiménez from Carate leaves at around 8:30 a.m.