| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sabana Redonda | city | Alajuela | Costa Rica | 10.11 | -84.22 | 5029 | 57354 |
| Sabanilla | city | Alajuela | Costa Rica | 10.07 | -84.22 | 4189 | 72925 |
| Sabanilla de Pampas | city | Alajuela | Costa Rica | 10.07 | -84.22 | 4189 | 72925 |
| Sabogal | city | Alajuela | Costa Rica | 10.93 | -84.77 | 111 | 2086 |
| Salvador | city | Alajuela | Costa Rica | 10.08 | -84.61 | 1820 | 3877 |
| Samen | city | Alajuela | Costa Rica | 10.69 | -84.85 | 219 | 2086 |
| San Antonio | city | Alajuela | Costa Rica | 10.12 | -84.42 | 4189 | 57059 |
| San Antonio | city | Alajuela | Costa Rica | 10.95 | -84.97 | 114 | 906 |
| San Antonio | city | Alajuela | Costa Rica | 9.98 | -84.19 | 3349 | 122219 |
| San Antonio | city | Alajuela | Costa Rica | 10.15 | -84.61 | 3435 | 3142 |
| San Antonio | city | Alajuela | Costa Rica | 10.98 | -84.65 | 65 | 2086 |
| San Antonio | city | Alajuela | Costa Rica | 10.07 | -84.33 | 3349 | 59059 |
| San Antonio | city | Alajuela | Costa Rica | 10.83 | -85.02 | 331 | 1490 |
| San Antonio | city | Alajuela | Costa Rica | 11.05 | -84.74 | 98 | 859 |
| San Cristóbal | city | Alajuela | Costa Rica | 10.50 | -84.55 | 265 | 4263 |
| San Emilio | city | Alajuela | Costa Rica | 10.97 | -84.74 | 95 | 2085 |
| San Francisco | city | Alajuela | Costa Rica | 10.07 | -84.55 | 2775 | 9634 |
| San Francisco | city | Alajuela | Costa Rica | 10.43 | -84.61 | 830 | 3385 |
| San Francisco | city | Alajuela | Costa Rica | 10.07 | -84.37 | 3349 | 58870 |
| San Francisco de Palmera | city | Alajuela | Costa Rica | 10.42 | -84.38 | 977 | 4345 |
| San Gerardo | city | Alajuela | Costa Rica | 10.42 | -84.16 | 830 | 6407 |
| San Gerardo | city | Alajuela | Costa Rica | 10.33 | -84.60 | 1669 | 3647 |
| San Geronimo | city | Alajuela | Costa Rica | 10.11 | -84.36 | 3398 | 54081 |
| San Isidro | city | Alajuela | Costa Rica | 10.38 | -84.58 | 830 | 3716 |
| San Isidro | city | Alajuela | Costa Rica | 10.93 | -84.96 | 124 | 1218 |
| San Isidro | city | Alajuela | Costa Rica | 10.12 | -84.27 | 4189 | 43535 |
| San Isidro | city | Alajuela | Costa Rica | 10.47 | -84.55 | 255 | 4164 |
| San Isidro | city | Alajuela | Costa Rica | 10.08 | -84.19 | 4268 | 77531 |
| San Isidro | city | Alajuela | Costa Rica | 10.27 | -84.42 | 4189 | 12417 |
| San Isidro | city | Alajuela | Costa Rica | 10.82 | -85.02 | 830 | 1490 |
| San Isidro | city | Alajuela | Costa Rica | 10.08 | -84.44 | 3457 | 74949 |
| San Isidro de Aguas Claras | city | Alajuela | Costa Rica | 10.80 | -85.18 | 1669 | 1509 |
| San Isidro de Peñas Blancas | city | Alajuela | Costa Rica | 10.38 | -84.58 | 830 | 3716 |
| San Jeronimo | city | Alajuela | Costa Rica | 9.86 | -84.58 | 396 | 7351 |
| San Jeronimo | city | Alajuela | Costa Rica | 11.02 | -84.70 | 121 | 1853 |
| San Jerónimo | city | Alajuela | Costa Rica | 10.11 | -84.36 | 3398 | 54081 |
| San Jorge | city | Alajuela | Costa Rica | 10.60 | -84.28 | 173 | 4321 |
| San Jorge | city | Alajuela | Costa Rica | 10.72 | -84.67 | 209 | 2089 |
| San Jorge | city | Alajuela | Costa Rica | 10.38 | -84.22 | 1020 | 8048 |
| San Jose | city | Alajuela | Costa Rica | 10.50 | -84.53 | 242 | 4305 |
| San Jose | city | Alajuela | Costa Rica | 10.14 | -84.39 | 4448 | 36326 |
| San Jose Norte | city | Alajuela | Costa Rica | 10.01 | -84.41 | 2611 | 41553 |
| San Jose Sur de Atenas | city | Alajuela | Costa Rica | 10.00 | -84.40 | 2509 | 31822 |
| San Josecito | city | Alajuela | Costa Rica | 10.63 | -84.76 | 830 | 2890 |
| San José | city | Alajuela | Costa Rica | 10.03 | -84.58 | 1669 | 6250 |
| San José | city | Alajuela | Costa Rica | 10.95 | -85.14 | 147 | 29307 |
| San José | city | Alajuela | Costa Rica | 10.35 | -84.62 | 2509 | 3697 |
| San José | city | Alajuela | Costa Rica | 10.00 | -84.40 | 2509 | 31822 |
| San José | city | Alajuela | Costa Rica | 10.03 | -84.52 | 3359 | 11820 |
| San José | city | Alajuela | Costa Rica | 10.01 | -84.41 | 2611 | 41553 |
| San José Sur | city | Alajuela | Costa Rica | 10.00 | -84.40 | 2509 | 31822 |
| San José de Upala | city | Alajuela | Costa Rica | 10.95 | -85.14 | 147 | 29307 |
| San José de la Montaña | city | Alajuela | Costa Rica | 10.26 | -84.38 | 6108 | 8160 |
| San Juan | city | Alajuela | Costa Rica | 10.10 | -84.35 | 3349 | 53826 |
| San Juan | city | Alajuela | Costa Rica | 10.25 | -84.42 | 5075 | 10029 |
| San Juan | city | Alajuela | Costa Rica | 10.10 | -84.24 | 4189 | 56468 |
| San Juan | city | Alajuela | Costa Rica | 10.11 | -84.47 | 3372 | 58818 |
| San Juan | city | Alajuela | Costa Rica | 10.10 | -84.32 | 3349 | 51619 |
| San Juan | city | Alajuela | Costa Rica | 10.12 | -84.40 | 3641 | 52977 |
| San Juan Norte | city | Alajuela | Costa Rica | 10.13 | -84.23 | 5029 | 47044 |
| San Juanillo | city | Alajuela | Costa Rica | 10.14 | -84.39 | 4448 | 36326 |
| San Judas | city | Alajuela | Costa Rica | 10.92 | -84.96 | 124 | 1318 |
| San Lorenzo | city | Alajuela | Costa Rica | 10.33 | -84.55 | 830 | 4367 |
| San Luis | city | Alajuela | Costa Rica | 10.09 | -84.21 | 4189 | 68309 |
| San Luis | city | Alajuela | Costa Rica | 10.18 | -84.40 | 5869 | 12626 |
| San Luis | city | Alajuela | Costa Rica | 10.13 | -84.31 | 4350 | 37312 |
| San Luis | city | Alajuela | Costa Rica | 10.23 | -84.18 | 4189 | 33424 |
| San Luis | city | Alajuela | Costa Rica | 10.17 | -84.43 | 4314 | 15413 |
| San Luis | city | Alajuela | Costa Rica | 10.47 | -84.26 | 830 | 4956 |
| San Mateo | city | Alajuela | Costa Rica | 9.94 | -84.52 | 830 | 8343 |
| San Miguel | city | Alajuela | Costa Rica | 10.11 | -84.52 | 3349 | 25804 |
| San Miguel | city | Alajuela | Costa Rica | 9.94 | -84.32 | 2509 | 56188 |
| San Miguel | city | Alajuela | Costa Rica | 10.31 | -84.18 | 1669 | 13922 |
| San Miguel | city | Alajuela | Costa Rica | 10.07 | -84.40 | 3536 | 63364 |
| San Miguel de Barranca | city | Alajuela | Costa Rica | 10.31 | -84.18 | 1669 | 13922 |
| San Pedro | city | Alajuela | Costa Rica | 10.11 | -84.33 | 3546 | 48265 |
| San Pedro | city | Alajuela | Costa Rica | 10.08 | -84.24 | 3592 | 62479 |
| San Pedro | city | Alajuela | Costa Rica | 10.37 | -84.56 | 830 | 3758 |
| San Pedro | city | Alajuela | Costa Rica | 10.08 | -84.50 | 3612 | 34789 |
| San Pedro de Paos | city | Alajuela | Costa Rica | 10.08 | -84.24 | 3592 | 62479 |
| San Pedro de Poas | city | Alajuela | Costa Rica | 10.08 | -84.24 | 3592 | 62479 |
| San Rafael | city | Alajuela | Costa Rica | 10.05 | -84.25 | 3349 | 70152 |
| San Rafael | city | Alajuela | Costa Rica | 10.35 | -84.60 | 1669 | 3717 |
| San Rafael | city | Alajuela | Costa Rica | 10.67 | -84.82 | 180 | 2086 |
| San Rafael | city | Alajuela | Costa Rica | 10.07 | -84.21 | 4189 | 76455 |
| San Rafael | city | Alajuela | Costa Rica | 10.09 | -84.26 | 3740 | 58465 |
| San Rafael | city | Alajuela | Costa Rica | 10.43 | -84.42 | 830 | 4943 |
| San Rafael | city | Alajuela | Costa Rica | 9.97 | -84.21 | 2841 | 83460 |
| San Rafael | city | Alajuela | Costa Rica | 10.06 | -84.47 | 3523 | 60068 |
| San Rafael | city | Alajuela | Costa Rica | 10.12 | -84.39 | 3641 | 46029 |
| San Rafael | city | Alajuela | Costa Rica | 10.52 | -84.18 | 242 | 5030 |
| San Rafael Guatuso | city | Alajuela | Costa Rica | 10.67 | -84.82 | 180 | 2086 |
| San Rafael de Guatuso | city | Alajuela | Costa Rica | 10.67 | -84.82 | 180 | 2086 |
| San Rafael de Poas | city | Alajuela | Costa Rica | 10.09 | -84.26 | 3740 | 58465 |
| San Rafael de San Pedro | city | Alajuela | Costa Rica | 10.05 | -84.25 | 3349 | 70152 |
| San Ramon | city | Alajuela | Costa Rica | 10.99 | -85.09 | 114 | 15809 |
| San Ramón | city | Alajuela | Costa Rica | 10.09 | -84.47 | 3349 | 60594 |
| San Roque | city | Alajuela | Costa Rica | 10.10 | -84.30 | 3480 | 51743 |
| San Roque | city | Alajuela | Costa Rica | 10.10 | -84.43 | 3349 | 63813 |
| San Vicente | city | Alajuela | Costa Rica | 10.28 | -84.39 | 5137 | 13075 |
| Santa Clara | city | Alajuela | Costa Rica | 10.36 | -84.51 | 830 | 8486 |
| Santa Clara | city | Alajuela | Costa Rica | 10.92 | -85.09 | 170 | 12647 |
| Santa Elena | city | Alajuela | Costa Rica | 11.00 | -84.62 | 144 | 1935 |
| Santa Elena | city | Alajuela | Costa Rica | 10.25 | -84.47 | 3461 | 6494 |
| Santa Eulalia | city | Alajuela | Costa Rica | 10.01 | -84.37 | 2047 | 45591 |
| Santa Eulalia | city | Alajuela | Costa Rica | 10.54 | -84.72 | 1889 | 4321 |
| Santa Gertrudis Norte | city | Alajuela | Costa Rica | 10.09 | -84.29 | 3435 | 55029 |
| Santa Gertrudis Sur | city | Alajuela | Costa Rica | 10.07 | -84.27 | 3349 | 61326 |
| Santa Isabel | city | Alajuela | Costa Rica | 10.45 | -84.20 | 830 | 5941 |
| Santa Rita | city | Alajuela | Costa Rica | 9.87 | -84.59 | 360 | 9249 |
| Santa Rita | city | Alajuela | Costa Rica | 10.32 | -84.51 | 849 | 8249 |
| Santa Rita | city | Alajuela | Costa Rica | 9.96 | -84.30 | 2509 | 71031 |
| Santa Rita | city | Alajuela | Costa Rica | 10.41 | -84.22 | 830 | 7152 |
| Santa Rita | city | Alajuela | Costa Rica | 10.13 | -84.45 | 3740 | 43319 |
| Santa Rita | city | Alajuela | Costa Rica | 11.00 | -85.08 | 114 | 10307 |
| Santa Rosa | city | Alajuela | Costa Rica | 9.98 | -84.32 | 2509 | 68614 |
| Santa Rosa | city | Alajuela | Costa Rica | 10.11 | -84.26 | 4189 | 48997 |
| Santa Rosa de la Garita | city | Alajuela | Costa Rica | 9.99 | -84.32 | 2093 | 66334 |
| Santa Teresa | city | Alajuela | Costa Rica | 10.54 | -84.45 | 232 | 4321 |
| Santiago | city | Alajuela | Costa Rica | 10.02 | -84.44 | 3677 | 41343 |
| Santiago | city | Alajuela | Costa Rica | 10.06 | -84.49 | 3510 | 46611 |
| Santiago Este | city | Alajuela | Costa Rica | 10.00 | -84.19 | 3349 | 100095 |
| Santiago Oeste | city | Alajuela | Costa Rica | 9.96 | -84.25 | 2637 | 71143 |
| Sarchi Norte | city | Alajuela | Costa Rica | 10.09 | -84.35 | 3349 | 59337 |
| Sarchí | city | Alajuela | Costa Rica | 10.09 | -84.35 | 3349 | 59337 |
| Sarchí Sur | city | Alajuela | Costa Rica | 10.08 | -84.34 | 3349 | 59423 |
| Silencio | city | Alajuela | Costa Rica | 10.16 | -84.47 | 4189 | 16165 |
| Siquiares | city | Alajuela | Costa Rica | 9.97 | -84.29 | 2509 | 76156 |
| Socorro | city | Alajuela | Costa Rica | 10.14 | -84.59 | 4219 | 3129 |
| Sucre | city | Alajuela | Costa Rica | 10.28 | -84.43 | 3412 | 13935 |