Piñones is located in Puerto Rico, 2 miles north of San Juan & the San Juan Airport. The popular tourist road, Isle Verde in San Juan which holds most of the top Hotels in Puerto Rico, like Ritz Carlton, El San Juan Hotel, and Intercontinental run right into Pinones going north bound.
Puerto Rico
Pinones at Sunset
I enjoy visiting this town during sunset and for a relaxing dinner. Pinones is sort of a reserve in Puerto Rico where no development is allowed. This is why you see luxury hotels and then you run into small open outdoor non-commercial restaurants and a few local bars on the side of the road. I was told by a Puerto Rican, you get the real feel of Puerto Rico in Pinones. I must warn you it is not anything fancy, but is full of authenticity. Parking is difficult, traffic is sometimes bad, and I would not venture here past 8pm without a local accompanying you. This is just my observation.
Besides those three pieces of advice, I would say Piñones is a must see for new visitors to Puerto Rico.
Pinones Beach:
Pinones Beach
During the day there is a very impressive beach for kids to play. This is not a regular beach where the waves come in and you can walk into the ocean. There are many rock or reef barriers which allow a few small pools for kids to play in. Past the barriers, the waves are fairly rough and jagged rocks would prevent swimming. There is nice sand and it makes a good place to layout or enjoy family time.
Pinones Hike & Bike Trail:
Pinones Tall Coconut Tree- Be careful when walking through the trail because there are a few extremely tall coconut trees which produce huge coconuts. One falls on your head and it's over buddy! 
One of my favorite things to do in Pinones is to show up around sunset, get a REAL Pina Colada and watch the sunset at the end of Pinoes Hike and Bike Trail. There are also a few authentic Puerto Rican places to eat at the dead end of the trail. These are all local hang-outs so you know you are getting the real deal. At the end of the trail, you can actually see El Moro in Old San Juan along with a beautiful sunset. In addition, there is a place where you can walk down to the water, play in the sand, or climb a rock ormations with cool little crabs in them.
Andrew Zimmern from Bizarre Food on the Travel Channel also visits Pinones and has Mofongo. There is a great write up and actually my favorite Puerto Rico information website at http://www.visit-the-coqui.com.
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[...] ~~Pinones~~: – Close to Isle Verde This little town is authentic Puerto Rico. Read more about it at the Andrew Zimmerman link above or at Pinones, Experience Real Puerto Rico. [...]