Complex sentence: Ardoileán or Ard Oileán (Irish for High Island) is a small island off the northwest coast of Connemara (Co. Galway, Ireland) and formerly, the site of an early Irish monastic community.
Split into simpler sentences: Ardoileán or Ard Oileán, known in English as High Island (a translation of the Irish name), is a small island off the northwest coast of Connemara in County Galway, Ireland. It was once the site of an early Irish monastic community.