2 mentions in Planning 2 weeks in Puerto Rico: help!
Eric L. said, "...you have Río Camuy park which is pretty nice. It's a state park, decently maintained, closed on Mondays. It's also near Arecibo Observatory which is an amazing thing to see. Mostly though, you'll want to bring an appetite. the food all over..." See More
Suzanne K. said, "...list of to do: Old San Juan, Bioluminescent Bay in Fajardo & Culebra), Cueva del Indio, Cueva Ventana, Cuevas De Camuy, Arecibo Observatory, Tanamá, Bacardi Distillery Entry, Toro Verde Nature Adventure Park, El Yunque National Forest among a lot other attractions...." See More
1 mention in Best places to pig out and explore in San Juan?
1 mention in Non-touristy things to do in Puerto Rico?