Ballymartin is one of several places on the island of Ireland.Northern IrelandA place near Templepatrick and junction 5 of the M2 motorway in County Antrim A small village and townland between Annalong and Kilkeel in the Newry, Mourne and Down District Council area in County Down A place in Tullynakill parish, County DownRepublic of IrelandA townland in Borris parish, County Carlow A small area off the village of Pallaskenry, County Limerick A village in Kilmaine parish, on the N84 between Kilmaine and Ballinrobe, in County Mayo