Set on 180 acres in County Kildare, Kilkea Castle Hotel & Golf Resort is one of Ireland's oldest inhabited castles, dating back to 1180. Just an hour from Dublin, the historic estate offers an array of settings for a destination wedding weekend, from its centuries-old architecture and landscaped gardens to sweeping grounds and elegant interiors. OTM couple Caitlin O'Reilly and John Stanley chose Kilkea for their summer celebration, where a rainbow memorably appeared over the castle. With on-site accommodations and celebrations ranging from intimate dinners to larger receptions, the estate allows couples and their guests to settle in and experience an entire wedding weekend in one remarkable setting.