You don’t really need a guide here. Well, unless it’s the only national park type place you’re going to in Costa Rica to see wildlife.

Taxis from the hotels in Manuel Antonio hotels cost 3,500 colones (about $7) but the public buses are frequent and cost somewhere around 200-300 colones ($0.75ish). The public buses run from the station in Quepos to the beach.

The best beaches are in the national park. You can even see some wildlife, and I saw iguanas, Capuchin monkeys, and an anteater. No sloths, however.