Though it is very crowded, and you will get bumped around, it's a great place to wander, people watch and perhaps pick up a souvenir at a bartered price. (thetravelmagazine.net)
You can eat tacos and pastries from the vendors lining the park, as well as pick up souvenirs from local artists. (thebarefootnomad.com)
The city is also fantastic for a bit of retail therapy, whether you're picking up some souvenirs for friends or want a piece of original Costa Rican art for your home. (villascostarica.com)