Originally Posted by
dbuckho
If you are just doing a day out of San Juan, would either drive east to
El Yunque National Forest with a stop at Luquillo Beach (nice place to take a walk, and there are tons of local food stands setup there). Or perhaps drive inland to see the
Arecibo Observatory.
I will second this. I was born and raised in SJU, but live now in ORD. El Yunque is certainly a day trip in itself, you can also combined that with a restaurant in Fajardo area, or beach in Luquillo, there are plenty of kiosk along the way with local food. They also have a bioliluminscent bay.