Caleta Olivia is a city located at the northeast of the Argentine province of Santa Cruz, on the San Jorge Gulf by the Atlantic Ocean. It had a po…Caleta Olivia is a city located at the northeast of the Argentine province of Santa Cruz, on the San Jorge Gulf by the Atlantic Ocean. It had a population of 70,304 in the 2010 census. It is the second most important city of the province after Rio Gallegos, and the most populated of the Deseado Department.