There are 2 internet caf?s on 12 de Julio in Puerto Plata
Dot com that Planner mentions allows connection of your own laptop.
They are open 8.30 - 8 Mon-Sat. The cost is 30 pesos per 30 min.
Fast connection.
The one Dolores mention, the pharmacy, is Virginia.
They are open til midnight all week. 30 min is 20 pesos. No laptops though and quite crowdy.
Fast connection.
Close to Tropical supermercado you have Compuclub, open long hours as well, on Avenida 27 de Febrero. 30 min 20 pesos.
Slow connection.
At Caribe Tours Bus station you have a small internet service of 3 computers.
30 min 20 pesos.
Slow connections, and computers often broken.
On Calle J F Kennedy, behind the Pharmacy Virginia you have another small internetcenter. Cost 30 min 20 pesos.
Open from 16-24 every day.
Fast connections.
At Sams Bar you have a computer. Fast connection.
40 pesos for 30 min, 60 pesos for 1 h.