Manannán or Manann, also known as Manannán mac Lir, is a sea god warrior and king of the Otherworld in Irish and Manx mythology who is one of the Tuatha Dé Danann.
Manannán mac Lir sculpture by John Sutton at Gortmore, Magilligan, County Londonderry, Northern Ireland.
The boat from the 1st century BC Broighter Hoard, which was found near Magilligan and may be a votive offering to Manannán
Stephen Reid's illustration of the Sons of Tuireann in Manannán's boat
South Barrule, reputed home of Manannán on the Isle of Man
In Irish mythology, Tír na nÓg or Tír na hÓige is one of the names for the Celtic Otherworld, or perhaps for a part of it. Tír na nÓg is best known from the tale of Oisín and Niamh.
Oisín and Niamh travelling to Tír na nÓg, illustration by Stephen Reid in T. W. Rolleston's The High Deeds of Finn (1910)