Desecheo Island, 14 miles from the coast, is not open to visitors; however, diving, snorkeling and fishing around the island is allowed.
Rincón Lighthouse Park / El Faro Lighthouse
Route 4413, just off Route 413
+1 787 823-2244
Erratic hours; sign on door says 'usually open at 10:30'
Recreation site with a beautiful view of the Desecheo Island National Wildlife Refuge on Mona Passage. The park has a gift shop and a snack bar.
Rincón Nuclear Plant
Unusual dome shaped building that is currently being converted into a museum.
Whale watching
Usually December-March, February being the peak season
While impossible to predict what time whales will show up, usually before 10AM and evenings are the best time. The Rincón Lighthouse is a great place to whale watch.