| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| FMG (Flamingo Airport) | airport | Costa Rica | 10.42 | -85.78 | 270 | 0 | |
| FON (Arenal Airport) | airport | Costa Rica | 10.48 | -84.63 | 342 | 0 | |
| Fatima | city | Provincia de San Jose | Costa Rica | 9.30 | -83.52 | 2542 | 7500 |
| Favorita | city | Provincia de Limon | Costa Rica | 9.52 | -82.65 | 19 | 1043 |
| Fila | city | Provincia de Puntarenas | Costa Rica | 8.87 | -83.28 | 1522 | 2533 |
| Fila | city | Provincia de San Jose | Costa Rica | 9.87 | -84.27 | 3248 | 18737 |
| Fila Aguacate | city | Provincia de San Jose | Costa Rica | 9.65 | -84.35 | 977 | 5631 |
| Fila Negra | city | Provincia de San Jose | Costa Rica | 9.65 | -84.57 | 1778 | 2307 |
| Filadelfia | city | Provincia de Guanacaste | Costa Rica | 10.45 | -85.57 | 101 | 5382 |
| Filadelphia | city | Provincia de Guanacaste | Costa Rica | 10.45 | -85.57 | 101 | 5382 |
| Filadelphia Norte | city | Provincia de Alajuela | Costa Rica | 9.87 | -83.02 | 249 | 9087 |
| Filadelphia Sur | city | Provincia de Alajuela | Costa Rica | 9.87 | -83.02 | 249 | 9087 |
| Finca 63 (Coto 63) Airport | airport | Costa Rica | 8.65 | -83.07 | 36 | 0 | |
| Finca Cote | city | Provincia de Alajuela | Costa Rica | 10.58 | -84.93 | 2621 | 2812 |
| Finca Delicias | city | Provincia de Guanacaste | Costa Rica | 10.63 | -85.47 | 511 | 24403 |
| Finca Delicias Airport | airport | Costa Rica | 8.94 | -83.56 | 26 | 0 | |
| Finca Las Delicias | city | Provincia de Puntarenas | Costa Rica | 10.08 | -84.73 | 793 | 5553 |
| Finca Los Pilares | city | Provincia de Heredia | Costa Rica | 10.92 | -84.32 | 121 | 2476 |
| Finca Mata de Cana | city | Provincia de Guanacaste | Costa Rica | 10.62 | -85.43 | 557 | 31043 |
| Finca Platanar | city | Provincia de Guanacaste | Costa Rica | 10.22 | -85.17 | 295 | 3596 |
| Flamingo Airport | airport | Costa Rica | 10.42 | -85.78 | 270 | 0 | |
| Flor | city | Provincia de Cartago | Costa Rica | 9.87 | -83.82 | 3812 | 41534 |
| Florecilla | city | Provincia de San Jose | Costa Rica | 9.85 | -84.43 | 1417 | 4072 |
| Florencia | city | Provincia de Alajuela | Costa Rica | 10.37 | -84.48 | 708 | 13778 |
| Florencia | city | Provincia de Cartago | Costa Rica | 9.88 | -83.68 | 2431 | 18868 |
| Florida | city | Provincia de Puntarenas | Costa Rica | 9.70 | -85.07 | 328 | 6698 |
| Florida | city | Provincia de Alajuela | Costa Rica | 10.33 | -84.43 | 2020 | 24541 |
| Florida | city | Provincia de Limon | Costa Rica | 10.10 | -83.57 | 662 | 7387 |
| Florida | city | Provincia de Puntarenas | Costa Rica | 8.57 | -83.08 | 383 | 3080 |
| Florida | city | Provincia de Puntarenas | Costa Rica | 9.10 | -83.28 | 643 | 2312 |
| Florida | city | Provincia de Guanacaste | Costa Rica | 10.23 | -85.45 | 232 | 4917 |
| Fortuna | city | Provincia de Alajuela | Costa Rica | 10.48 | -84.65 | 885 | 4007 |
| Fortuna | city | Provincia de Guanacaste | Costa Rica | 10.68 | -85.22 | 1502 | 1639 |
| Fourth Cliff | city | Provincia de Limon | Costa Rica | 10.08 | -83.57 | 977 | 7431 |
| Fraijanes | city | Provincia de Alajuela | Costa Rica | 10.15 | -84.20 | 5915 | 49050 |
| Frailes | city | Provincia de San Jose | Costa Rica | 9.75 | -84.07 | 4753 | 37761 |
| Francia | city | Provincia de Limon | Costa Rica | 10.13 | -83.55 | 291 | 7448 |
| Fresca | city | Provincia de Puntarenas | Costa Rica | 9.87 | -85.15 | 433 | 7022 |
| Frutez - Pital Airport | airport | Costa Rica | 10.45 | -84.37 | 617 | 0 | |
| Fuente | city | Provincia de San Jose | Costa Rica | 9.93 | -84.03 | 4140 | 442488 |
| Fuentes | city | Provincia de San Jose | Costa Rica | 9.93 | -84.03 | 4140 | 442488 |