Teampall Chaomháin

St Caomhán's church (10th -14th century) is located in the island's graveyard.  The picturesque sunken ruins are truly unique and not to be missed.  St. Caomhán, brother of St. Kevin of Glendalough, is the patron saint of Inis Oírr. His feast day is celebrated on the 14th of June.