- Mona Island Forest
- drna.gobierno.pr
- 787-999-2200, 787-851-3600, 787-999-2295FX
- Rio Piedras PR
- A unique island nature reserve 50 miles west of Cabo Rojo. Hiking, camping, fishing and diving. No bathroom facilities, water or electricity. Permits required from the Department of Natural Resources.
- Info: Beach, Bird-Watching, Camping, Caves, Diving/Snorkeling, Fishing, Hiking, Reserve / Sanctuary