Laytown-Bettystown-Mornington is a census town in East Meath, County Meath, Ireland, comprising the adjoining villages of Laytown, Bettystown and Mornington. It had a population of 5,597 at the 2002 census and 10,889 at the 2011 census. The coastline stretches from the River Boyne, which borders County Louth to the River Delvin, which borders County Dublin.