This is a list of islands of Puerto Rico.
The Commonwealth of Puerto Rico has over 143 islands, keys, and islets. Only the main island of Puerto Rico (3,424 sq mi [8,868 km2]), and the islands of Vieques (), and Culebra () are inhabited. Mona Island () 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 () is also a DNER Nature Reserve, while Desecheo Island () is a National Wildlife Refuge administrated by the US Fish and Wildlife Service.
The other 137 islands, keys, and islets are not inhabited. Some islands are privately-owned: Isla Palomino, which is rented on a long-term lease to El Conquistador Hotel, Isleta Marina, Isla de Ramos and Isla de Lobos.