The event was one of two incidents yesterday where vehicles ended up in the sea.
In Portstewart, the elderly pair were enjoying a visit to the popular resort when the terrifying incident happened yesterday afternoon.
The husband and wife were sitting in their Toyota Corolla on Portstewart Crescent, enjoying the view and an ice cream, when the accident happened.
They attempted to leave the car park beside the Crescent's karting area but instead of reversing, the vehicle shot forward, falling off the edge of the walkway and landing on rocks.
Paramedics from the Northern Ireland Ambulance Service arrived at the scene at 2.36pm to find the couple waiting for them on a park bench. A spokeswoman for the Northern Health Trust confirmed the elderly couple had been brought to the Causeway Hospital but were quickly discharged. Their car was later recovered using specialist lifting equipment.
An eyewitness told the Belfast Telegraph: "Thankfully they were okay. The good weather had brought people out, so the sight of the car drew big crowds." Alliance councillor Bernard Fitzpatrick said he believes blue safety barriers should be extended to the scene of yesterday's accident.
"I raised this matter last year in the council and by writing to the DoE, because when kids get out of cars in the carpark they are excited and start running. Railings could have stopped the car from falling on to the rocks, it would have been something," Mr Fitzpatrick said.
Just a few hours later, a man was rescued after a jeep ended up in Ballycastle harbour.
It is understood he was saved by the harbour master before he was transferred by ambulance to the Causeway Hospital in Coleraine.
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