| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
501  | Alto Tapezco Alto Tapezco,Alto del Tapezco | Costa Rica, San José Escazú > San Antonio | mountain | N 9° 53′ 49'' | W 84° 9′ 32'' |
502  | Tapantí Hacienda Tapanti,Tapanti,Tapantí | Costa Rica, Cartago Province Paraíso > Orosi | populated place | N 9° 46′ 7'' | W 83° 48′ 0'' |
| 503 | Cerro Tacuotari Cerro Tacuatori,Cerro Tacuatorí,Cerro Tacuotari | Costa Rica, San José Mora > Tabarcia | mountain | N 9° 52′ 1'' | W 84° 10′ 15'' |
504  | Tablones Tablones | Costa Rica, Alajuela Province San Ramón > Piedades Sur | locality | N 10° 5′ 42'' | W 84° 33′ 49'' |
| 505 | Boca del Pantano Boca del Pantano,Doce Millas,Swamp Mouth | Costa Rica, Limón Province Matina > Carrandi | populated place | N 10° 4′ 20'' | W 83° 9′ 30'' |
| 506 | Punta Sombrero Punta Sombrero,Sombrero Point | Costa Rica, Puntarenas Province | point | N 8° 25′ 52'' | W 83° 16′ 25'' |
| 507 | Isla Sombrero Isla Sombrero,Sombrero Negro | Costa Rica, Puntarenas Province | island | N 10° 1′ 48'' | W 85° 7′ 14'' |
| 508 | Punta Serrucho Punta Naranjo,Punta Serrucho | Costa Rica, Puntarenas Province | point | N 9° 22′ 11'' | W 84° 7′ 24'' |
| 509 | Sarchí  Sarchi,Sarchi Norte,Sarchí,Sarchí Norte | Costa Rica, Alajuela Province Sarchí > Sarchí Norte | seat of a second-order administrative division | N 10° 5′ 22'' | W 84° 20′ 51'' |
| 510 | Santo Domingo Santo Domingo | Costa Rica, Heredia Province Santa Bárbara > Purabá | populated place population 5,745 | N 10° 3′ 50'' | W 84° 9′ 17'' |
| 511 | Santo Domingo San Domingo,Santo Domingo | Costa Rica, Heredia Province Santo Domingo > Santo Domingo | populated place | N 9° 58′ 52'' | W 84° 5′ 23'' |
| 512 | Santiago Santiago | Costa Rica, Alajuela Province Palmares > Santiago | populated place population 2,107 | N 10° 1′ 21'' | W 84° 26′ 39'' |
| 513 | Cerros Santa Elena Cerros Santa Elena,Cerros de Elena,Cerros de Santa Elena | Costa Rica, Guanacaste Province | mountains | N 10° 53′ 1'' | W 85° 49′ 47'' |
| 514 | Cerro San Roque Cerro San Roque,Cerros San Roque | Costa Rica, Guanacaste Province | mountain | N 10° 46′ 21'' | W 85° 27′ 41'' |
| 515 | Río Ora Rio Ora,Rio de Ora,Río Ora,Río de Ora,San Ramon,San Ramón | Costa Rica, Guanacaste Province Nandayure > Zapotal | populated place | N 9° 56′ 43'' | W 85° 20′ 4'' |
| 516 | San Rafael San Rafael,San Rafael de Poas | Costa Rica, Alajuela Province Poás > San Rafael | populated place | N 10° 5′ 27'' | W 84° 15′ 19'' |
| 517 | San Rafael San Rafael | Costa Rica, Alajuela Province San Ramón > San Rafael | populated place population 3,624 | N 10° 3′ 51'' | W 84° 28′ 25'' |
| 518 | San Rafael San Rafael | Costa Rica, Heredia Province San Rafael > San Rafael | populated place population 8,887 | N 10° 1′ 5'' | W 84° 5′ 40'' |
| 519 | Punta San Pedrillo Punta San Pedrillo,Punta San Pedro | Costa Rica, Puntarenas Province Osa > Sierpe | point | N 8° 37′ 29'' | W 83° 44′ 7'' |
| 520 | San Pablo Puerto San Pablo,San Pablo,San Pablo Viejo | Costa Rica, Guanacaste Province Nandayure > San Pablo | populated place | N 10° 1′ 46'' | W 85° 13′ 58'' |
| 521 | San Pablo San Pablo | Costa Rica, Heredia Province San Pablo > San Pablo | populated place population 21,662 | N 9° 59′ 44'' | W 84° 5′ 47'' |
| 522 | San Juan Sur San Juan Sur,San Juan de Tobosi Sur,San Juan de Tobosí Sur,Sur San Juan de Tobosi | Costa Rica, Cartago Province Cartago > Corralillo | populated place | N 9° 47′ 21'' | W 84° 4′ 3'' |
| 523 | San Juan Norte Norte San Juan de Tobosi,San Juan Norte,San Juan de Tobosi Norte,San Juan de Tobosí Norte | Costa Rica, Cartago Province Cartago > Corralillo | populated place | N 9° 47′ 51'' | W 84° 4′ 10'' |
| 524 | San Juan San Juan | Costa Rica, Alajuela Province Grecia > Bolívar | populated place population 7,729 | N 10° 6′ 8'' | W 84° 19′ 1'' |
| 525 | San José de Pinilla Pinilla,San Jose,San Jose Pinilla,San Jose de Pinilla,San José,San José Pinilla,San José de Pinilla | Costa Rica, Guanacaste Province Santa Cruz > Tamarindo | populated place | N 10° 14′ 52'' | W 85° 48′ 39'' |
| 526 | Montaña La Montana,La Montaña,Montana,Montaña,San Jose de la Montana,San José de la Montaña | Costa Rica, Guanacaste Province Santa Cruz > Veintisiete de Abril | populated place | N 10° 12′ 26'' | W 85° 42′ 8'' |
| 527 | San José Cabécar Cabecar,Cabécar,San Jose Cabecar,San Jose Cabekar,San José Cabekar,San José Cabécar | Costa Rica, Limón Province Talamanca > Telire | populated place | N 9° 30′ 35'' | W 83° 8′ 29'' |
| 528 | San José Sur San Jose,San Jose Sur,San Jose Sur de Atenas,San José,San José Sur,San José Sur de Atenas | Costa Rica, Alajuela Province Atenas > San José | populated place | N 9° 59′ 57'' | W 84° 23′ 34'' |
529  | San Francisco | Costa Rica, Heredia Province Heredia > San Francisco | third-order administrative division | N 9° 59′ 33'' | W 84° 7′ 52'' |
| 530 | San Diego San Diego | Costa Rica, Cartago Province La Unión > San Diego | populated place population 16,991 | N 9° 54′ 1'' | W 84° 0′ 6'' |
| 531 | Llanura de San Carlos Llanura de San Carlos,Llanuras de San Carlos | Costa Rica, Alajuela Province | plain(s) | N 10° 37′ 0'' | W 84° 10′ 0'' |
| 532 | Cerros de San Blas Cerro de San Blas,Cerros de San Blas | Costa Rica, Guanacaste Province | mountains | N 10° 10′ 0'' | W 85° 40′ 0'' |
| 533 | San Antonio San Antonio,San Antonio de Corralillo | Costa Rica, Cartago Province Cartago > Corralillo | populated place | N 9° 47′ 0'' | W 84° 2′ 50'' |
| 534 | San Alberto Nuevo San Alberto,San Alberto Nuevo | Costa Rica, Limón Province Siquirres > Siquirres | populated place | N 10° 9′ 20'' | W 83° 28′ 25'' |
| 535 | Salinas Salina,Salinas | Costa Rica, Puntarenas Province Esparza > San Juan Grande | populated place | N 9° 55′ 42'' | W 84° 41′ 32'' |
| 536 | Sabanilla Sabanilla,Sabanilla de Pampas | Costa Rica, Alajuela Province Alajuela > Sabanilla | seat of a third-order administrative division population 1,015 | N 10° 4′ 26'' | W 84° 12′ 55'' |
| 537 | Sabana Grande Roblar,Roblar de Sabana Grande,Sabana Grande | Costa Rica, Guanacaste Province Nicoya > Nicoya | populated place | N 10° 11′ 9'' | W 85° 29′ 5'' |
| 538 | Punta Sabana Punta Sabana,Punta Zapotal | Costa Rica, Guanacaste Province Santa Cruz > Cabo Velas | point | N 10° 24′ 35'' | W 85° 49′ 33'' |
| 539 | Sabalito Sabalito | Costa Rica, Puntarenas Province Coto Brus > Sabalito | seat of a third-order administrative division | N 8° 49′ 5'' | W 82° 54′ 32'' |
| 540 | El Rosario El Hoyo,El Rosario,Rosario | Costa Rica, Alajuela Province Naranjo > El Rosario | populated place | N 10° 2′ 38'' | W 84° 22′ 41'' |
| 541 | Punta Rodríguez Lionel Head,Punta Lionel,Punta Peligro,Punta Rodriguez,Punta Rodríguez | Costa Rica, Puntarenas Province Puntarenas > Isla Del Coco | point | N 5° 30′ 57'' | W 87° 5′ 32'' |
| 542 | Rodeo Hacienda El Rodeo,Hacienda Rodeo,Rodeo | Costa Rica, San José Mora > Colón | populated place | N 9° 55′ 9'' | W 84° 16′ 8'' |
543  | Laguna Roblar | Costa Rica, Guanacaste Province | lake | N 10° 15′ 0'' | W 85° 18′ 0'' |
| 544 | Río Segundo Rio Segundo,Río Segundo | Costa Rica, Alajuela Province Sarchí > Toro Amarillo | populated place population 9,853 | N 10° 14′ 23'' | W 84° 19′ 1'' |
| 545 | Río Segundo Rio Segundo,Río Segundo,Santiago Este | Costa Rica, Alajuela Province Alajuela > Río Segundo | populated place | N 10° 0′ 13'' | W 84° 11′ 14'' |
| 546 | Cerro Redondo Cerro Redondo,Cerro de la Cruz | Costa Rica, Heredia Province San Rafael > Ángeles | mountain | N 10° 3′ 55'' | W 84° 4′ 35'' |
| 547 | Cerro Raspa Huacal Cerro Raspa Huaca,Cerro Raspa Huacal | Costa Rica, Guanacaste Province Abangares > Colorado | mountain | N 10° 12′ 0'' | W 85° 7′ 0'' |
| 548 | Isla Rafael Isla Muela,Isla Rafael,Meule Island | Costa Rica, Puntarenas Province | islet | N 5° 30′ 18'' | W 87° 4′ 4'' |
| 549 | Quitirrisí Alto de Quitirriel,Quitirriel,Quitirrisi,Quitirrisí | Costa Rica, San José Mora > Tabarcia | populated place | N 9° 52′ 10'' | W 84° 14′ 12'' |
| 550 | Punta Quepos Punta Aspadillas,Punta Quepos | Costa Rica, Puntarenas Province Quepos > Quepos | point | N 9° 23′ 58'' | W 84° 10′ 32'' |
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