The O'Meara course at Carton House Golf Club occupies parkland estate grounds in Maynooth, County Kildare, approximately fifteen miles west of Dublin. Designed by Mark O'Meara and opened in 2006, the layout complements the property's earlier Montgomerie course and reflects O'Meara's playing experience as a major champion and Ryder Cup competitor. The course sits within the historic Carton House demesne, where mature trees, the River Rye, and rolling terrain shape the routing across what was once part of an eighteenth-century designed landscape. The O'Meara measures over 7,000 yards from the championship tees and features strategic bunkering, water hazards on several holes, and green complexes that reward precise approach play. The design emphasizes course management and shot-making variety rather than overwhelming length, with risk-reward opportunities balanced against more straightforward holes. The River Rye influences play on multiple holes, and the mature woodland corridors provide definition and shelter from prevailing winds. Carton House operates as a resort and club facility, with the O'Meara course serving both members and visitors. The estate's Georgian manor house, now a hotel, anchors the property and provides dining and accommodation. The course has hosted professional events on the European Challenge Tour and remains part of Ireland's parkland golf offerings in the greater Dublin region, accessible to golfers seeking championship-length layouts within a historic estate setting.