List of islands of Puerto Rico

The Commonwealth of Puerto Rico has over 143 islands, keys, islets, and atolls.

Mona Island (22 sq mi [57 km2]) has personnel from the Puerto Rico Department of Natural and Environmental Resources (DNER) stationed year-around but no private citizens inhabit it (other than overnight camping guests and nature enthusiasts).

Caja de Muertos Island (0.58 sq mi [1.5 km2]) is also a DNER Nature Reserve, while Desecheo Island (0.58 sq mi [1.5 km2]) is a National Wildlife Refuge administrated by the US Fish and Wildlife Service.

The other 137 islands, keys, islets and atolls are not inhabited.

Some islands are privately-owned: Isla Palomino,[1] which is rented on a long-term lease to El Conquistador Hotel, Isleta Marina, Isla de Ramos and Isla de Lobos.