[1] Held by tradition to mark the birthplace of St David, the ruin cannot be accurately dated but is unusual in that it is aligned north–south rather than the usual east–west.
According to Christian tradition, Saint Non (also known as Nonna or Nonnita) was born around AD 475 and was a daughter of Lord Cynyr Ceinfarfog who lived as a nun at Ty Gwyn near Whitesands Bay until she was raped by Prince Sant of Ceredigion.
Some old simple People go still to visit this Saint at some particular Times, especially upon St. Nun's Day (March 2nd) which they kept holy, and offer Pins, Pebbles, Etc at this well",[8] and reports from 1811 state that "the fame this consecrated spring has obtained is incredible and it is still resorted to for many complaints".
It was thought to be particularly effective for eye problems and was restored in 1951 by the Catholic Church, which also erected a shrine using stones from nearby ruins.
He had built a house (now used as a retreat) overlooking the sea, and the nearest Catholic church was over sixteen miles away, so he decided to build one on the historic site.
It was owned by the Passionist Fathers (a religious institute founded by Saint Paul of the Cross)[12] and run as a registered charity by the Sisters of Mercy.
It offered a place of sanctuary and reflection, as well as workshops and sessions ranging from yoga to support for bereaved parents.