Browse Real Estate Listings in Annagassan, Louth or list your own. Advertise, sell your property, list it for letAnnagassan (Irish: Áth na gCasán, meaning 'ford of the paths') is a village in the townland of Ballynagassan, County Louth, Ireland. It sits where the River Glyde enters the Irish Sea.Source: https://en.wikipedia.org/