Puerto Rico - Area of significance: Social History
| Acueducto Alfonso XII |
| Acueducto de San Juan (San Juan Waterworks) |
| Antiguo Casino de Puerto Rico |
| Asilo De Pobres |
| Bithorn, Hiram, Municipal Stadium |
| Boiling Nuclear Superheater (BONUS) Reactor Facility |
| Brumbaugh, Dr. Martin G., Graded School |
| Carcel de Puerta de Tierra |
| Cárcel Municipal de Juncos |
| Carretera # 4 |
| Carretera Central |
| Carretera Num. 6 |
| Casa Alcaldia de Vieques |
| Casa de Espana |
| Casa de la Masacre |
| Casa Gonzalez Cuyar |
| Casa Ricardo Ruiz Mari |
| Casa Serrallés |
| Casa Ulanga |
| Casa Vigil |
| Casino de Ponce |
| Cementerio Masonico de la Resp. Logia Igualdad Num. 23 de Sabana Grande |
| Condado Vanderbilt Hotel |
| Cueva del Indio |
| De Luxe Florida |
| Edificio Comunidad de Orgullo Gay de Puerto Rico |
| Edificio Empresas Ferre |
| Edificio Patio Espanol |
| El Falansterio de Puerta de Tierra |
| Ernesto Memorial Chapel |
| Faro de la Isla de Caja de Muertos |
| Faro de la Isla de la Mona |
| Faro de las Cabezas de San Juan |
| Faro de Morro |
| Federico Degetau Consolidated Rural School |
| Fontan, Jose, School |
| Franklin Delano Roosevelt Graded School |
| Gran Logia Espiritual Numero 1 |
| Hacienda Fortuna |
| Hacienda Los Torres |
| Hermitage Church of Nuestra Senora de Valvanera of Coamo |
| Hostos-Ramirez de Arellano School District |
| Iglesia Cristiana |
| James Fenimore Cooper Graded School |
| James Garfield Graded School |
| James L.M. Curry Graded School |
| La Bolero |
| La Perla Auditorium and Public Library |
| La Piedra Escrita |
| La Plata Community Center |
| Logia Adelphia |
| Maceira, Rafael Balseiro, School |
| Mc Cabe Memorial Church |
| Oliver Hazard Perry Graded School |
| Palacio del Marques de las Claras |
| Parque de Bombas Maximiliano Merced |
| Plaza Publica |
| Primera Iglesia Bautista de Caguas |
| Public Health Unit at Yauco |
| Puerto Rico Island Penitentiary |
| Quinta Vendrell |
| Residencia de Senoritas Universidad de Puerto Rico; Rio Piedras |
| Rivera, Luis Munoz, Park |
| Roberto Clemente Walker Crash Site |
| San German Historic District |
| San Juan National Historic Site |
| Templo del Maestro |
| Villa Victoria |
| Washington Irving Graded School |
| Williams Products Corporation |
Data from United States Park Service and Wikidata
