| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
501  | Santa Eduviges Santa Eduviges,Santa Eduvigues | Costa Rica, San José Pérez Zeledón > Páramo | populated place | N 9° 29′ 16'' | W 83° 45′ 29'' |
| 502 | Santa Cruz Santa Cruz | Costa Rica, San José León Cortés Castro > Santa Cruz | populated place | N 9° 43′ 54'' | W 84° 1′ 27'' |
| 503 | Santa Cecilia Santa Cecilia | Costa Rica, Guanacaste Province La Cruz > Santa Cecilia | populated place | N 11° 3′ 46'' | W 85° 24′ 49'' |
| 504 | Río Zapotal Rio Zapotal,Río Zapotal,San Roque | Costa Rica, Guanacaste Province Hojancha > Monte Romo | populated place | N 9° 55′ 39'' | W 85° 22′ 28'' |
| 505 | San Ramón Sur San Ramon,San Ramon Sur,San Ramón,San Ramón Sur | Costa Rica, San José Pérez Zeledón > Páramo | populated place | N 9° 24′ 53'' | W 83° 44′ 0'' |
| 506 | San Ramón de Río Blanco San Ramon,San Ramon de Rio Blanco,San Ramón,San Ramón de Río Blanco | Costa Rica, Puntarenas Province Puntarenas > Lepanto | populated place | N 9° 52′ 26'' | W 85° 5′ 15'' |
| 507 | San Rafael San Rafael,San Rafael Arriba | Costa Rica, San José Puriscal > San Rafael | populated place | N 9° 50′ 22'' | W 84° 17′ 25'' |
| 508 | San Rafael Abajo San Rafael,San Rafael Abajo | Costa Rica, San José Desamparados > San Rafael Abajo | populated place | N 9° 53′ 33'' | W 84° 4′ 54'' |
| 509 | San Rafael Cucaracho,San Rafael | Costa Rica, Alajuela Province Río Cuarto > Río Cuarto | populated place | N 10° 31′ 1'' | W 84° 11′ 4'' |
| 510 | Freeman Freeman,San Rafael | Costa Rica, Limón Province Siquirres > Siquirres | populated place | N 10° 12′ 10'' | W 83° 19′ 46'' |
| 511 | San Rafael San Rafael | Costa Rica, San José Pérez Zeledón > San Pedro | populated place | N 9° 18′ 55'' | W 83° 31′ 19'' |
| 512 | San Miguel Norte San Miguel,San Miguel Norte | Costa Rica, Heredia Province Santo Domingo > Tures | populated place | N 9° 59′ 16'' | W 84° 3′ 30'' |
| 513 | San Miguel San Miguel,San Miguel de Barranca | Costa Rica, Alajuela Province Alajuela > Sarapiquí | populated place | N 10° 19′ 6'' | W 84° 10′ 47'' |
| 514 | Cerrillos Cerrillos,San Miguel | Costa Rica, Alajuela Province Alajuela > Turrúcares | populated place | N 9° 56′ 41'' | W 84° 19′ 12'' |
| 515 | San Martín Las Mulas,San Martin,San Martín | Costa Rica, San José Pérez Zeledón > Pejibaye | populated place | N 9° 7′ 51'' | W 83° 30′ 25'' |
| 516 | San Luis San Luis | Costa Rica, Alajuela Province Alajuela > Sarapiquí | populated place | N 10° 14′ 0'' | W 84° 11′ 0'' |
| 517 | San Luis San Luis | Costa Rica, Heredia Province Santo Domingo > Pará | populated place | N 10° 0′ 28'' | W 84° 1′ 48'' |
| 518 | San Luis El Salvador,San Luis | Costa Rica, San José Pérez Zeledón > Barú | populated place | N 9° 15′ 21'' | W 83° 47′ 45'' |
| 519 | San Juanillo San Jose,San José,San Juanillo | Costa Rica, Alajuela Province Naranjo > San José | populated place | N 10° 8′ 42'' | W 84° 23′ 31'' |
| 520 | San Juanillo Puerto San Juanillo,San Juanillo | Costa Rica, Guanacaste Province Santa Cruz > Cuajiniquil | populated place | N 10° 2′ 3'' | W 85° 44′ 28'' |
| 521 | San Juan Grande San Juan,San Juan Grande | Costa Rica, Guanacaste Province Abangares > San Juan | populated place | N 10° 15′ 46'' | W 84° 56′ 47'' |
| 522 | San Juan Chiquito San Juan Chico,San Juan Chiquito | Costa Rica, Puntarenas Province Esparza > San Juan Grande | populated place | N 9° 59′ 18'' | W 84° 38′ 26'' |
| 523 | San Juan de Lajas San Juan,San Juan de Lajas | Costa Rica, Alajuela Province Zarcero > Zapote | populated place | N 10° 15′ 11'' | W 84° 24′ 55'' |
| 524 | San Juan Sur San Juan,San Juan Sur | Costa Rica, Alajuela Province Poás > San Juan | populated place | N 10° 6′ 8'' | W 84° 14′ 28'' |
| 525 | San José Norte San Jose,San Jose Norte,San José,San José Norte | Costa Rica, Alajuela Province Atenas > San José | populated place | N 10° 0′ 40'' | W 84° 24′ 29'' |
| 526 | San José de la Montaña San Jose,San Jose de la Montana,San José,San José de la Montaña | Costa Rica, Heredia Province Barva > San José de la Montaña | populated place | N 10° 3′ 18'' | W 84° 6′ 52'' |
| 527 | Angostura Angostura,San Jose,San José | Costa Rica, Alajuela Province San Ramón > Santiago | populated place | N 10° 1′ 42'' | W 84° 34′ 34'' |
| 528 | Río Jesús Rio Jesus,Río Jesús,San Jose,San José | Costa Rica, Alajuela Province San Ramón > Santiago | populated place | N 10° 1′ 42'' | W 84° 30′ 56'' |
| 529 | San Jerónimo San Geronimo,San Jeronimo,San Jerónimo | Costa Rica, Alajuela Province Naranjo > San Jerónimo | populated place | N 10° 6′ 27'' | W 84° 21′ 48'' |
| 530 | San Jerónimo San Geronimo,San Jeronimo,San Jerónimo | Costa Rica, Puntarenas Province Esparza > San Jerónimo | populated place | N 10° 2′ 12'' | W 84° 37′ 52'' |
| 531 | San Jerónimo San Geronimo,San Gerónimo,San Jeronimo,San Jerónimo | Costa Rica, San José Moravia > San Jerónimo | populated place | N 10° 0′ 25'' | W 84° 0′ 58'' |
| 532 | San Isidro de Zapote San Isidro,San Isidro de Zapote | Costa Rica, Alajuela Province Upala > Yolillal | populated place | N 10° 55′ 24'' | W 84° 57′ 57'' |
| 533 | San Isidro San Isidro | Costa Rica, Alajuela Province San Ramón > Peñas Blancas | populated place | N 10° 22′ 37'' | W 84° 34′ 44'' |
| 534 | San Isidro San Isidro,Tigre | Costa Rica, Puntarenas Province Montes de Oro > San Isidro | populated place | N 10° 3′ 22'' | W 84° 43′ 51'' |
| 535 | San Francisco Burrito,San Francisco | Costa Rica, Alajuela Province San Ramón > Peñas Blancas | populated place | N 10° 25′ 34'' | W 84° 36′ 39'' |
| 536 | San Francisco de Coyote San Francisco,San Francisco de Coyote | Costa Rica, Guanacaste Province Nandayure > Bejuco | populated place | N 9° 48′ 19'' | W 85° 14′ 40'' |
| 537 | San Francisco San Francisco,San Francisco de Tinoco | Costa Rica, Puntarenas Province Osa > Palmar | populated place | N 8° 53′ 25'' | W 83° 22′ 37'' |
| 538 | Sandoval Sandoval | Costa Rica, Limón Province Limón > Río Blanco | populated place | N 9° 59′ 33'' | W 83° 6′ 10'' |
| 539 | Sándalo El Sandalo,Sandalo,Sándalo | Costa Rica, Puntarenas Province Golfito > Puerto Jiménez | populated place | N 8° 34′ 30'' | W 83° 21′ 34'' |
| 540 | San Cristóbal Sur Cristobal Sur,Cristóbal Sur,San Cristobal Sur,San Cristóbal Sur | Costa Rica, San José Desamparados > San Cristóbal | populated place | N 9° 45′ 3'' | W 84° 1′ 35'' |
| 541 | San Cristóbal Norte Cristobal Norte,Cristóbal Norte,San Cristobal Norte,San Cristóbal Norte | Costa Rica, San José Desamparados > San Cristóbal | populated place | N 9° 46′ 13'' | W 84° 0′ 25'' |
| 542 | San Chirí San Chiri,San Chirí,Sanchiri,Sanchirí | Costa Rica, Cartago Province Paraíso > Paraíso | populated place | N 9° 48′ 54'' | W 83° 51′ 52'' |
| 543 | San Carlos San Carlos | Costa Rica, San José Pérez Zeledón > Platanares | populated place | N 9° 14′ 3'' | W 83° 35′ 35'' |
| 544 | San Buenaventura San Buena,San Buenaventura | Costa Rica, Puntarenas Province Osa > Puerto Cortés | populated place | N 9° 1′ 19'' | W 83° 35′ 14'' |
| 545 | Patio de Agua Patio de Agua,San Bosco | Costa Rica, San José Pérez Zeledón > Daniel Flores | populated place | N 9° 14′ 59'' | W 83° 39′ 59'' |
| 546 | San Blas San Blas,San Blás | Costa Rica, Puntarenas Province Puntarenas > Lepanto | populated place | N 9° 52′ 14'' | W 85° 9′ 59'' |
| 547 | San Antonio de Tejar San Antonio,San Antonio de Tejar | Costa Rica, Alajuela Province Alajuela > San Antonio | populated place | N 9° 59′ 46'' | W 84° 13′ 17'' |
| 548 | Salitrillos Salitrillos | Costa Rica, San José Aserrí > Salitrillos | section of populated place population 5,738 | N 9° 51′ 13'' | W 84° 5′ 29'' |
| 549 | Sabogal Playuelitas de Sabogal,Sabogal | Costa Rica, Alajuela Province Los Chiles > Caño Negro | populated place | N 10° 56′ 0'' | W 84° 46′ 0'' |
| 550 | Sabanillas Sabanilla,Sabanillas | Costa Rica, San José Acosta > Sabanillas | populated place | N 9° 44′ 40'' | W 84° 15′ 33'' |
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