It is traditionally believed that a monastic settlement was founded here in the fifth century by St. Patrick who installed Dabheoc as the first abbot. There are forty-six islands in Lough Derg but only two of them are of archaeological interest. Theā¦
"In the middle of this desolation [on Saints' Island] is an enclosure thickly overgrown with briars, to which barriers of nettles almost prohibit entrance..."