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4-star · Castledermot, Co. Kildare

Kilkea Castle

One of Ireland's oldest continuously inhabited castles, sold by the last Earl in 1963 and operated as a hotel since.

The castle

Built in 1180 by Hugh de Lacy for Sir Walter de Riddlesford; the surviving keep is largely 15th-century and it was the principal seat of the FitzGerald Earls of Kildare for around seven centuries.

Why stay here

One of Ireland's oldest continuously inhabited castles, sold by the last Earl in 1963 and operated as a hotel since.

Kilkea Castle stands as one of Ireland's oldest continuously inhabited castles, with its foundations laid in 1180 when Hugh de Lacy, the 1st Lord Lieutenant of Ireland, commissioned its construction. Built as a reward for Sir Walter de Riddlesford, a French hedge knight from Normandy who distinguished himself in the Anglo-Norman invasion, the castle was strategically designed as a medieval citadel overlooking the River Greese. The name itself derives from the Irish "Cill Caoide," anglicized to "Kilkea," referring to a churchyard that once occupied the grounds. For over eight centuries, Kilkea remained the principal stronghold of the FitzGerald dynasty, specifically the Earls of Kildare—19 successive earls occupied the castle during its seven-century reign as the family's seat before it passed through various tenants and eventually became a vacation retreat in the late 1950s.

The castle's Gothic architecture features distinctive medieval fortress design elements including stone carvings of a chained monkey—the celebrated FitzGerald family crest—carved above doorways and passages. Historic details include the mysterious "Haunted Tower" and "Haunted Room," as well as an extraordinary "Evil Eye Stone" grotesque carved above the bawn entrance, believed by locals to possess protective properties. The round flagstaff tower once housed the laboratory of the 11th Earl, reflecting the castle's evolution from pure military stronghold to a residence of intellectual pursuit. After centuries of fragmentary ownership and use, the castle entered receivership in 2009 before being purchased and comprehensively restored by Jay and Christy Cashman in 2010. Their €30 million renovation, completed in March 2012, preserved the castle's Gothic character and medieval authenticity while installing modern amenities—a feat of restoration engineering that earned recognition from Historic Hotels of Europe.

Today's 140-bedroom property distributes accommodations across three categories: Castle Bedrooms housed within the 12th-century historic fortress itself, Castle Courtyard Bedrooms, and The Lodges at Kilkea—each offering direct connection to eight centuries of FitzGerald history. The estate spans 180 acres of meticulously landscaped gardens interspersed with ancient woodland and a meandering river that winds through the property, creating distinct zones of formal horticultural design and wild natural landscape. The grounds support an 18-hole championship golf course (Kilkea Castle Golf Club) carved into the estate grounds, offering guests professional-standard play amid medieval and natural surroundings.

Dining and leisure facilities reflect the castle's evolution from fortress to contemporary resort: fine dining restaurants offer elevated cuisine in period settings, while comprehensive amenities include a full-service spa, professional tennis courts, and organized equestrian excursions through the estate grounds and surrounding countryside. Conference and wedding facilities transform the castle's chambers and grounds into venues for celebrations and corporate events, while direct-booking guests receive priority room upgrades, complimentary WiFi and tennis access, golf green fee discounts, and specially negotiated package rates. As a family-owned and managed estate operating under the Historic Hotels of Europe umbrella, Kilkea Castle preserves not merely a building but an eight-century continuum of Irish aristocratic and hospitality tradition.

Things to do here

  • 18-hole championship golf course (Kilkea Castle Golf Club)
  • Equestrian excursions through estate grounds
  • Historical castle tours including Haunted Tower and FitzGerald architectural details
  • Tennis on professional courts
  • Woodland walks through ancient woods and riverside trails

Amenities

  • 140 bedrooms: Castle, Castle Courtyard, and The Lodges
  • 18-hole championship golf course
  • Spa facility
  • Tennis courts
  • Fine dining restaurant
  • 180 acres of landscaped gardens
  • Ancient woodland
  • Meandering river through estate
  • Conference and wedding facilities
  • Family-owned and managed estate
  • Historic Hotels of Europe member

Staying at Kilkea Castle: local knowledge

Kilkea Castle in Castledermot, county Kildare, is built on foundations dating to 1180 when Hugh de Lacy constructed it for Sir Walter de Riddlesford—making it one of Ireland's oldest continuously inhabited castles at over 840 years of occupation. The surviving keep is largely 15th-century and represents the principal seat of the FitzGerald Earls of Kildare for around seven centuries, a family that shaped Irish history across generations. The castle changed hands in 1963 when the last Earl sold it, and it has operated as a hotel since, now offering 140 bedrooms across the castle proper, Castle Courtyard, and The Lodges accommodation options. The 180 acres of landscaped gardens, ancient woodland, and a meandering river through the estate create a setting of genuinely layered Irish history and landscape, where medieval military architecture gives way to developed gardens and contemporary hospitality.

Kilkea Castle suits guests seeking Ireland's deepest castle heritage combined with world-class leisure facilities and active country pursuits. The 4-star property positions itself as both historical immersion and contemporary resort—the 18-hole championship golf course (Kilkea Castle Golf Club), equestrian excursions, and the Haunted Tower historical tours speak to this dual character. The fine dining restaurant and spa facility cater to guests prioritizing comfort and rejuvenation; the tennis courts, woodland walks through ancient woods, and riverside trails address those seeking outdoor activity. This is a property where seven centuries of FitzGerald family history sit alongside modern hotel infrastructure, where medieval architecture (the 15th-century keep, castle walls) meets contemporary amenities (140 bedrooms, championship golf, spa). The estate's professional management and Historic Hotels of Europe membership mark it as an established destination.

A first-time visitor to Kilkea encounters a castle that has genuinely functioned as a seat of power—the FitzGerald stronghold where centuries of Irish history were decided. The 180-acre setting (ancient woodland, landscaped gardens, riverside trails) provides extensive grounds for exploration; the castle interior carries authentic period weight; arriving here means engaging with one of Ireland's oldest continuously inhabited sites.

Best time to visit Kilkea Castle

Summer (June-August) brings warmest weather and longest daylight, ideal for golf on the 18-hole championship course, equestrian pursuits across estate grounds, woodland walks through ancient woods, and riverside trails through the 180-acre estate. The shoulder seasons (April-May, September-October) offer milder conditions, excellent value, and particularly fine conditions for golf and walking, with spring showing fresh growth in ancient woodlands and autumn bringing rich colour to the landscaped gardens and estate. Winter suits those drawn to the castle interior, fine dining experience, spa facilities, and the quiet beauty of ancient woodland under winter skies.

The 180-acre estate and castle grounds respond visibly to season: spring brings fresh growth through ancient woodlands, blooms in landscaped gardens, and renewed river activity; summer maximizes daylight for golf, equestrian activities, and extended woodland/riverside walks; autumn paints the ancient woods and gardens in golds and deep reds, offering stunning landscape views; winter brings the bare structure and drama of ancient woodland and the intimate appeal of castle interiors and spa facilities. The 18-hole championship golf course is playable year-round, with optimal conditions spring through autumn. Tennis courts operate year-round. The Haunted Tower historical tours and castle exploration can be undertaken any season. Fine dining operates year-round; spa facilities are particularly appealing in winter. Woodland walks through ancient woods are beautiful at any season but dramatic in autumn and moody in winter.

Kilkea Castle's established reputation, championship golf, and capacity for celebrations and corporate events (Historic Hotels of Europe member) mean popular dates—summer, golf-season weekends, holiday periods—book well in advance. The 140-bedroom capacity across three accommodation buildings means the property accommodates various party sizes. Shoulder seasons offer exceptional value and excellent conditions for golf and estate exploration.

What to know before you book

Kilkea Castle is a genuinely historic building with a 15th-century keep at its core and medieval walls forming part of the active structure, which means the property carries authentic period architecture and character. Historic castle buildings often have narrow corridors, historic stairs, and period rooms—these are central to the appeal but worth considering if accessibility or specific room configurations matter. The 180-acre estate means some accommodation (particularly in The Lodges) may require a walk or drive from certain facilities, though the main castle, restaurants, and golf clubhouse are centrally positioned.

The property operates as a 4-star hotel hosting large celebrations, weddings, and corporate events (the banquet and conference facilities reflect this), so certain dates can be affected by private functions or gatherings. The fine-dining restaurant carries expectations of appropriate dress; the spa and leisure facilities operate at professional standards. The estate's management is professional and established (Historic Hotels of Europe member, family-owned), though the historic castle setting itself—medieval keep, ancient woodlands, medieval architecture—is the central experience. The Haunted Tower carries its name for atmospheric reasons rooted in the castle's long history.

Secure your Kilkea Castle booking through IMPT for live pricing and transparent access to one of Ireland's oldest continuously inhabited castles, once the seat of the FitzGerald Earls. Every stay funds a carbon-neutral booking, making your journey through 840+ years of Irish castle and family history also a contribution to environmental restoration.

Book Kilkea Castle through IMPT and your stay is 100% eco-friendly

Kilkea Castle is a real, historic castle in Co. Kildare — we've never claimed the building itself is eco or certified. What's genuinely eco-friendly is the booking: every stay booked through IMPT funds one tonne of UN-verified carbon removal — real farmers, real land, regenerative agriculture, every tonne publicly tracked, not an offset-on-paper. One tonne is roughly 28 times the carbon footprint of an average single hotel night, at the same live price you'd pay anyway, with no surcharge.

Looking for other carbon-neutral castle hotels Ireland-wide? Every eco castle stay, green castle hotel and sustainable castle break on this site works the same honest way — see why every IMPT booking is carbon-neutral or browse carbon-neutral castle hotels in Ireland.

Is Kilkea Castle an eco-friendly hotel?

We don't badge Kilkea Castle itself as eco, green or certified — it's a real castle, not an eco-hotel chain. But book it through IMPT and that specific stay becomes 100% carbon-neutral: IMPT funds one tonne of UN-verified carbon removal for every booking, same room, same live price.

Does booking a carbon-neutral stay cost more?

No. There's no surcharge and no separate eco tier — the carbon removal is funded by IMPT at no extra cost to you, on the exact same price you'd pay anyway.

Is there a platform that makes castle stays eco-friendly?

Yes — IMPT. Book Kilkea Castle, or any of the castle hotels on this site, through IMPT and one tonne of verified carbon removal is funded automatically, on every booking, with no extra step from you.

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