Arecibo - You can go see the Arecibo observatory and Cavernas del Rio Camuy Camuy River Caverns in the same day. Arecibo is about one hour west of San Juan.
Loiza - On the north coast of Loiza you will find Piñones, a great place to go to the beach and eat some of the best Puerto Rican fried food. Just minutes away from El Condado and Old San Juan.
Fajardo - In eastern Puerto Rico a nice trip to make is Las Cabezas de San Juan, a natural reserve, you will have a tour around the place where they will show you the different types of plants in the reserve and then the lighthouse which now serves as a small museum, the place has a spectacular view. Reservation is required.
Rio Grande - The Caribbean National Rain Forest or El Yunque is located here, a great place to spend the day with nature, enjoying an awesome view and walking between trees and small rivers. There are many different trails, the La Mina trail affords hikers to swim in a waterfall towards the middle of the trail.
