| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cieneguita | city | Limon | Costa Rica | 9.98 | -83.03 | 6 | 27672 |
| Cima | city | San Jose | Costa Rica | 9.67 | -83.90 | 7549 | 3156 |
| Cimarrones | city | Limon | Costa Rica | 10.10 | -83.42 | 216 | 6760 |
| Cinchona | city | Alajuela | Costa Rica | 10.22 | -84.17 | 4189 | 37137 |
| Cinco Esquinas | city | San Jose | Costa Rica | 9.95 | -84.07 | 4189 | 624658 |
| Cinco Esquinas | city | Alajuela | Costa Rica | 10.10 | -84.17 | 5114 | 71193 |
| Cipreses | city | Cartago | Costa Rica | 9.89 | -83.84 | 5869 | 56914 |
| Cirri | city | San Jose | Costa Rica | 9.86 | -84.33 | 3349 | 14928 |
| Cirrí | city | Alajuela | Costa Rica | 10.12 | -84.37 | 3625 | 49428 |
| Cirrí Norte | city | Alajuela | Costa Rica | 10.12 | -84.37 | 3625 | 49428 |
| Ciruelas | city | Guanacaste | Costa Rica | 10.51 | -85.35 | 830 | 1639 |
| Ciruelas | city | Alajuela | Costa Rica | 9.98 | -84.26 | 2624 | 77475 |
| Ciruelitas | city | Puntarenas | Costa Rica | 10.02 | -84.77 | 62 | 15778 |
| Ciudad Canas | city | Guanacaste | Costa Rica | 10.43 | -85.09 | 275 | 5216 |
| Ciudad Cortés | city | Puntarenas | Costa Rica | 8.96 | -83.52 | 32 | 2533 |
| Ciudad Quesada | city | Alajuela | Costa Rica | 10.32 | -84.43 | 2509 | 23894 |
| Ciudad San Vito | city | Puntarenas | Costa Rica | 8.82 | -82.97 | 3533 | 7714 |
| Ciudad Universitaria | city | San Jose | Costa Rica | 9.94 | -84.05 | 4189 | 598056 |
| Ciudad Universitaria Rodrigo Facio | city | San Jose | Costa Rica | 9.95 | -84.05 | 4189 | 546765 |
| Ciudad de Heredia | city | Heredia | Costa Rica | 10.00 | -84.12 | 4189 | 290465 |
| Ciudad de Limon | city | Limon | Costa Rica | 9.99 | -83.03 | 3 | 19890 |