It was discovered lying near the water on the beach, which was evacuated along with part of the nearby Seacoast Road. The train line was also closed for a time as a precaution.
This was the second time in recent months that an unexploded bomb had washed up in the area.
After the end of WWII, huge quantities of munitions were dumped at sea in Beauforts Dyke in the Irish Sea between the Rhins of Galloway and Northern Ireland.
Story: Donna Deeney, Belfast Telegraph | Photo: Wikimedia Commons