| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4801  | San Joaquin | Puerto Rico, Adjuntas Adjuntas Pueblo Barrio | populated place elevation 489m | N 18° 9′ 37'' | W 66° 43′ 16'' |
| 4802 | San Jose | Puerto Rico, Camuy Camuy Barrio-Pueblo | populated place elevation 6m | N 18° 29′ 10'' | W 66° 50′ 51'' |
| 4803 | San José San Jose | Puerto Rico, Manatí Tierras Nuevas Saliente Barrio | populated place elevation 44m | N 18° 26′ 16'' | W 66° 29′ 16'' |
| 4804 | San Jose | Puerto Rico, Mayagüez Guanajibo Barrio | populated place elevation 1m | N 18° 10′ 56'' | W 67° 10′ 6'' |
| 4805 | San Jose | Puerto Rico, Patillas Patillas Barrio-Pueblo | populated place elevation 42m | N 18° 0′ 43'' | W 66° 0′ 57'' |
| 4806 | San Jose | Puerto Rico, Aibonito Aibonito Barrio-Pueblo | populated place elevation 610m | N 18° 8′ 21'' | W 66° 15′ 21'' |
| 4807 | San Jose II | Puerto Rico, Sabana Grande Santana Barrio | populated place elevation 102m | N 18° 5′ 11'' | W 66° 58′ 18'' |
| 4808 | San Juan Bautista | Puerto Rico, Maricao Maricao Afuera Barrio | populated place elevation 452m | N 18° 11′ 13'' | W 66° 58′ 53'' |
| 4809 | San Juan Chateau | Puerto Rico, San Juan Hato Rey Norte Barrio | populated place elevation 6m | N 18° 25′ 48'' | W 66° 4′ 1'' |
| 4810 | San Juan Gardens | Puerto Rico, San Juan Monacillo Barrio | populated place elevation 79m | N 18° 21′ 52'' | W 66° 4′ 22'' |
4811  | San Juan Harbor Bahia de San Juan,San Juan Bay,San Juan Harbor | Puerto Rico, San Juan Santurce Barrio | bay | N 18° 27′ 10'' | W 66° 6′ 49'' |
| 4812 | San Lorenzo | Puerto Rico, Arecibo Hato Abajo Barrio | populated place elevation 39m | N 18° 28′ 1'' | W 66° 44′ 6'' |
| 4813 | San Lorenzo | Puerto Rico, Moca Cruz Barrio | populated place elevation 97m | N 18° 22′ 6'' | W 67° 6′ 30'' |
| 4814 | San Luis | Puerto Rico, Arecibo Factor Barrio | populated place elevation 10m | N 18° 27′ 33'' | W 66° 38′ 23'' |
| 4815 | San Luis | Puerto Rico, Arecibo Garrochales Barrio | populated place elevation 37m | N 18° 27′ 4'' | W 66° 36′ 26'' |
| 4816 | San Luis | Puerto Rico, Arecibo Arecibo Barrio-Pueblo | populated place elevation 5m | N 18° 28′ 26'' | W 66° 43′ 14'' |
| 4817 | San Luis Colonia San Luis | Puerto Rico, Naguabo Húcares Barrio | populated place elevation 20m | N 18° 12′ 7'' | W 65° 42′ 40'' |
| 4818 | San Martín San Martin | Puerto Rico, San Juan Sabana Llana Sur Barrio | populated place elevation 22m | N 18° 23′ 35'' | W 66° 0′ 16'' |
| 4819 | San Miguel | Puerto Rico, Luquillo Pitahaya Barrio | populated place elevation 2m | N 18° 22′ 3'' | W 65° 42′ 5'' |
| 4820 | San Miguel | Puerto Rico, Mayagüez Sábalos Barrio | populated place elevation 35m | N 18° 11′ 4'' | W 67° 8′ 51'' |
| 4821 | San Miguel | Puerto Rico, Santa Isabel Santa Isabel Barrio-Pueblo | populated place elevation 7m | N 17° 57′ 47'' | W 66° 24′ 7'' |
| 4822 | San Pedro | Puerto Rico, Arecibo Hato Viejo Barrio | populated place elevation 24m | N 18° 24′ 28'' | W 66° 41′ 56'' |
| 4823 | San Pedro | Puerto Rico, Fajardo Florencio Barrio | populated place elevation 14m | N 18° 18′ 36'' | W 65° 39′ 41'' |
| 4824 | San Pedro | Puerto Rico, Fajardo Fajardo Barrio-Pueblo | populated place elevation 11m | N 18° 19′ 20'' | W 65° 39′ 21'' |
| 4825 | San Pedro | Puerto Rico, Maunabo Emajagua Barrio | populated place elevation 10m | N 18° 0′ 16'' | W 65° 53′ 54'' |
| 4826 | San Rafael | Puerto Rico, Quebradillas Terranova Barrio | populated place elevation 109m | N 18° 28′ 35'' | W 66° 56′ 46'' |
| 4827 | San Rafael | Puerto Rico, Trujillo Alto St. Just Barrio | populated place elevation 44m | N 18° 22′ 4'' | W 66° 0′ 7'' |
| 4828 | San Rafael State | Puerto Rico, Toa Baja Candelaria Barrio | populated place elevation 84m | N 18° 23′ 40'' | W 66° 11′ 57'' |
| 4829 | San Ramón San Ramon | Puerto Rico, San Germán Retiro Barrio | populated place elevation 59m | N 18° 4′ 25'' | W 67° 1′ 1'' |
| 4830 | San Ramon | Puerto Rico, Guaynabo Frailes Barrio | populated place elevation 59m | N 18° 22′ 30'' | W 66° 5′ 38'' |
| 4831 | San Salvador | Puerto Rico, Manatí Manatí Barrio-Pueblo | populated place elevation 36m | N 18° 25′ 50'' | W 66° 29′ 12'' |
| 4832 | San Sauci | Puerto Rico, Bayamón Cerro Gordo Barrio | populated place elevation 39m | N 18° 21′ 59'' | W 66° 10′ 56'' |
| 4833 | San Sebastián San Sebastian | Puerto Rico, Bayamón Pájaros Barrio | populated place elevation 35m | N 18° 22′ 13'' | W 66° 11′ 15'' |
| 4834 | San Vicente | Puerto Rico, Luquillo Mata de Plátano Barrio | populated place elevation 49m | N 18° 21′ 13'' | W 65° 44′ 25'' |
| 4835 | Sana Muerto | Puerto Rico, Orocovis Barros Barrio | populated place elevation 622m | N 18° 14′ 27'' | W 66° 24′ 26'' |
4836  | Sancutario de Nuestra Senora de Monserrate Cathedral of Our Lady of Monserrat,Church of Our Lady of Monserrate,Sanctuario de Nuestra Senora de ... | Puerto Rico, Hormigueros Hormigueros Barrio-Pueblo | church elevation 36m | N 18° 8′ 26'' | W 67° 7′ 36'' |
| 4837 | Sandin | Puerto Rico, Vega Baja Puerto Nuevo Barrio | populated place elevation 4m | N 18° 29′ 6'' | W 66° 24′ 40'' |
| 4838 | Sandy Hills | Puerto Rico, Luquillo Luquillo Barrio-Pueblo | populated place elevation 8m | N 18° 22′ 28'' | W 65° 42′ 47'' |
| 4839 | Santa Ana | Puerto Rico, Aibonito Llanos Barrio | populated place elevation 630m | N 18° 8′ 45'' | W 66° 16′ 5'' |
| 4840 | Santa Ana | Puerto Rico, San Juan Hato Rey Sur Barrio | populated place elevation 10m | N 18° 24′ 4'' | W 66° 3′ 41'' |
4841  | Monte de Santa Ana | Puerto Rico, Bayamón Juan Sánchez Barrio | mountain elevation 104m | N 18° 24′ 18'' | W 66° 8′ 42'' |
| 4842 | Santa Bárbara Santa Barbara | Puerto Rico, Aguadilla Aguadilla Barrio-Pueblo | populated place elevation 4m | N 18° 25′ 52'' | W 67° 9′ 16'' |
| 4843 | Santa Bárbara Santa Barbara | Puerto Rico, Arecibo Cambalache Barrio | populated place elevation 3m | N 18° 28′ 2'' | W 66° 42′ 15'' |
| 4844 | Santa Barbara | Puerto Rico, Isabela Isabela Barrio-Pueblo | populated place elevation 66m | N 18° 30′ 2'' | W 67° 2′ 6'' |
| 4845 | Santa Bárbara Santa Barbara | Puerto Rico, Jayuya Jayuya Abajo Barrio | populated place elevation 416m | N 18° 13′ 3'' | W 66° 36′ 20'' |
| 4846 | Santa Barbara | Puerto Rico, San Juan Oriente Barrio | populated place elevation 30m | N 18° 23′ 57'' | W 66° 2′ 11'' |
| 4847 | Santa Cecilia | Puerto Rico, Caguas Tomás de Castro Barrio | populated place elevation 55m | N 18° 13′ 56'' | W 66° 0′ 40'' |
| 4848 | Santa Clara | Puerto Rico, Cidra Arenas Barrio | populated place elevation 420m | N 18° 10′ 9'' | W 66° 8′ 55'' |
| 4849 | Santa Clara | Puerto Rico, Ponce Machuelo Abajo Barrio | populated place elevation 23m | N 18° 1′ 16'' | W 66° 36′ 7'' |
| 4850 | Santa Clara | Puerto Rico, San Juan Caimito Barrio | populated place elevation 63m | N 18° 21′ 18'' | W 66° 5′ 26'' |
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