Their nests, consisting of a tunnel burrowed into the soil, are commonly on the coastal plain. Their food is vegetable matter. The beaches, some 5 miles in total length, are whiter than those of Puerto Rico. Mona has a lighthouse, built 1900 was one of the first two lighthouses built by the U.S Government in Puerto Rico. Camping is allowed at Sardinera Beach.
Visitors are welcome, but no more than a hundred visitors can be on the island at any time.