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Clontarf Castle Hotel is a magnificent 12th-century Norman castle transformed into a luxury hotel, uniquely positioned on Dublin Bay. This historic venue combines medieval charm with modern amenities, featuring elegant function rooms, a Great Hall, and beautifully appointed bedrooms. The castle offers versatile event spaces accommodating up to 350 guests, making it perfect for weddings, conferences, and corporate events. Located just minutes from Dublin city centre with stunning views across Dublin Bay, the venue provides complimentary parking and is easily accessible by public transport. The castle's distinctive architecture, period features, and professional event management team create an unforgettable setting for any occasion.
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Why book with us?



| Space | Theatre | Cabaret | Boardroom | Classroom | U-shape | Banquet | Reception |
|---|---|---|---|---|---|---|---|
| Great Hall | 300 | — | 40 | 150 | 60 | — | — |
| Knight's Hall | 150 | — | 30 | 80 | 40 | — | — |
| Castle Boardroom | 30 | — | 18 | 18 | 20 | — | — |
Day delegate rate from the venue’s published pricing. Exact quotes confirmed on your proposal.
Includes: Room hire, Basic AV.
Half day, full day and evening rates available on request.
Bespoke menus and exclusive-use packages for private events.
Competitive rates for conferences, weddings, and corporate events. Contact venue directly for detailed pricing and packages.
Request exact pricing →Dietary options catered for
Always confirm specific access requirements with our team — we check on your behalf.
Castle Avenue, Clontarf, Dublin 3, D03 XF40, United Kingdom
Every score below is computed from verified platform data — never marketing copy.
Clontarf Castle Hotel is a verified castle hotel in Dublin 3, hosting up to 350 guests, with day delegate rates from £180. Its genome scores highest for Corporate, Historic, Networking. Verified on-site: wi-fi, av & production, food & catering, bedrooms. Best suited to corporate conferences and board meetings.
Best for: corporate conferences and board meetings, memorable events in a heritage setting, receptions and networking events.
Sustainability credentials are not yet evidenced in the profile data.
Up to 350 guests in various configurations - banquet style, theatre style, or cocktail reception
Full AV equipment including projectors, sound systems, microphones and complimentary Wi-Fi throughout
Comprehensive catering services available with multiple menu options and dietary requirements accommodated
On-site parking available for guests and event attendees
Clontarf Castle Hotel is a magnificent 12th-century Norman castle transformed into a luxury hotel, uniquely positioned on Dublin Bay. This historic venue combines medieval charm with modern amenities, featuring elegant function rooms, a Great Hall, and beautifully appointed bedrooms. The castle offers versatile event spaces accommodating up to 350 guests, making it perfect for weddings, conferences, and corporate events. Located just minutes from Dublin city centre with stunning views across Dublin Bay, the venue provides complimentary parking and is easily accessible by public transport. The castle's distinctive architecture, period features, and professional event management team create an unforgettable setting for any occasion.
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