Mar Chiquita Partido
Mar Chiquita 
    Partido de Mar Chiquita  | |
|---|---|
location of Mar Chiquita in Buenos Aires Province  | |
| Coordinates: 34°40′S 59°26′W / 34.667°S 59.433°W | |
| Country | Argentina | 
| Established | December 25, 1839 | 
| Founded by | Juan Manuel de Rosas | 
| Seat | Coronel Vidal | 
| Government | |
| • Mayor | Carlos Alberto Ronda (UCR) | 
| Area | |
 • Total  | 3,114 km2 (1,202 sq mi) | 
| Population | |
 • Total  | 17,908 | 
| • Density | 5.8/km2 (15/sq mi) | 
| Demonym | marchiquitense | 
| Postal Code | B7174  | 
| IFAM | |
| Area Code | 02265 | 
| Website | www | 
Mar Chiquita Partido is a county (partido) located in the Atlantic coast of Buenos Aires Province in Argentina.
This provincial subdivision has a population of about 18,000 inhabitants in an area of 3,114 km2 (1,202 sq mi) and its county seat is Coronel Vidal.