An infant has been pulled alive from the water and taken to hospital.
Gardaí are describing the incident as “a tragic accident”.
There were six people in the SUV when it went off the pier on the Inishowen Peninsula shortly after 7 o'clock last night.
At present Gardaí are treating the drownings as a tragic accident and say the car may have accidentally slipped into the water.
Of the six in the vehicle, five bodies have been recovered a man, a woman, two boys and girl – whose age has yet to be confirmed.
A 2-month old baby, who it’s believed was thrown from the vehicle and rescued by a bystander, is currently in a stable condition at Letterkenny General Hospital.
Post mortems on the victims will also take place there.
The jeep was pulled from the water at around 9 o'clock last night and removed from the scene.
Gardaí are due to hold a case conference on the incident this morning.
