Puerto Rico - Criteria: C (architecture/engineering)
| Faro Isla de Culebritas |
| Filardi House |
| Font-Ubides House |
| Fortin de San Geronimo de Boqueron |
| Fuerte de Vieques |
| General Mendez Vigo Bridge |
| General Norzagaray Bridge |
| Gomez Residencia |
| Gonzalo Marin 101 |
| Hacienda Azucarera la Esperanza |
| Hacienda Buena Vista |
| Hacienda Casa del Frances |
| Hacienda Iruena Manor House |
| Hacienda La Sabana |
| Hacienda Santa Rita |
| Hermitage of San Antonio de Padua de la Tuna |
| Hotel Normandie |
| Iglesia de la Santisma Trinidad |
| Iglesia Parroquial de San Antonio de Padua de Guayama |
| Ingenio Azucarero Vives |
| La Liendre Bridge |
| Las Cabanas Bridge |
| Lassise-Schettini House |
| Logia Adelphia |
| Logia Masonica Hijos de la Luz |
| Maceira, Rafael Balseiro, School |
| Manati Bridge at Mata de Platano |
| Marques de la Serna Bridge |
| Martinez, Jacinto Lopez, Grammar School |
| Martin Pena Bridge |
| Mavilla Bridge |
| Mc Cabe Memorial Church |
| Mercado de las Carnes |
| Miami Building |
| Missionary Society of the Methodist Episcopal Church |
| National Astronomy and Ionosphere Center |
| Nebot, Zaldo de, Residencia |
| Nuestra Senora de Lourdes Chapel |
| Old Urban Cemetery |
| Oppenheimer House |
| Padre Inigo Bridge |
| Padre Nazario School |
| Palacio del Marques de las Claras |
| Parque de Bombas de Ponce |
| Parroquia del Espiritu Santo y San Patricio |
| Paseo Victor Rojas |
| Pauteon Otero-Martinez |
| Plata Bridge |
| Plaza del Mercado de Manati |
| Polvorin de Miraflores |
| Pomar, Pico, Residence |
| Ponce High School |
| Ponce Public School 1913 |
| Ponce YMCA Building |
| Primera Iglesia Bautista de Caguas |
| Puente Blanco |
| Puente de Anasco |
| Puente de Coloso |
| Puente de las Calabazas |
| Puente Rio Portugues |
| Puerto Rico Ilustrado-Edificio El Mundo |
| Puerto Rico Island Penitentiary |
| Quebrada Maracuto |
| Quinta Vendrell |
| Rafael M. Labra High School |
| Residence Lopez |
| Residencia Aboy-Lompre |
| Residencia de Senoritas Universidad de Puerto Rico; Rio Piedras |
| Residencia Heygler |
| Rio Hondo Bridge |
| Rio Maton Bridge |
| Rio Piedras Bridge |
| Rodriguez Morales, Juana, House |
| Rosaly-Batiz House |
| Salazar-Candal House |
| San German Historic District |
| San Juan National Historic Site |
| Santuario de la Monserate de Hormigueros and Casa de Peregrinos |
| School of Tropical Medicine |
| Semidey, Maria Davila, School |
| Silva Bridge |
| Subira House |
| Supreme Court Building |
| Teatro Yaguez |
| Toro, Fernando Luis, Casa |
| Torrens Bridge |
| University of Puerto Rico Tower and Quadrangle |
| US Custom House |
| US Custom House |
| US Custom House |
| US Custom House |
| US Post Office and Courthouse |
| US Post Office and Courthouse |
| Villa Del Mar |
| Villaran Bridge |
| Villaronga House |
| Webster, Daniel, School |
Data from United States Park Service and Wikidata
