Mar Chiquita Partido is a county (partido) located on 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.

The economy of Mar Chiquita Partido is dominated by agriculture, cattle raising, and the summer tourist season (December-February).

• Coronel Vidal (pop. 6320)
• General Pirán (pop. 2896)
• Mar Chiquita (pop. 394)
• Santa Clara del Mar (pop. 5204)
• Atlántida (pop. 586)
• Camet Norte (pop. 150)
• Frente Mar (pop. 77)
• Mar de Cobo (pop. 406)
• La Baliza (pop. 94)
• La Caleta (pop. 63)
• La Armonía (pop. 105)
• Vivoratá (pop. 792)

• Official website