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Meeting venues for 500+ guests in Ireland

Clontarf Castle Hotel
Hotel · Dublin, Ireland
20–600 guests6 event spaces
Eight meeting rooms for up to 600 guests in a Dublin castle hotel, 10 minutes from the city centre
RDS Simmonscourt
Event space · Dublin, Ireland
100–3,500 guests12 event spaces
Conferences from 48 to 3,500 delegates across 20+ halls and rooms on a 43-acre campus in Ballsbridge, Dublin
The Heritage
Hotel · Killenard, Ireland
12–500 guests10 event spaces
A 500-seat ballroom, six breakout rooms and a Seve Ballesteros golf course, under an hour from Dublin
The Round Room at the Mansion House
Event space · Dublin, Ireland
Up to 500 guests1 event space
Conferences for 500 in theatre style and gala dinners for 500 under the domed ceiling of an 1821 hall on Dawson Street, Dublin
The Great Southern Killarney
Hotel · Killarney, Ireland
225–950 guests8 event spaces177 rooms to stay
Conferences for up to 950 delegates and 177 bedrooms in a Victorian hotel beside Killarney station, Co. Kerry
Fitzpatrick Castle Hotel
Hotel · Killiney, Ireland
Up to 600 guests
Twelve meeting rooms for 2 to 600 delegates and civil ceremonies for up to 280 in an 18th-century castle in Killiney, 9 miles from Dublin
Lyrath Estate
Hotel · Kilkenny, Ireland
Up to 1,500 guests5 event spaces141 rooms to stay
A convention centre for 1,500 delegates theatre style or 850 at dinner, 12 meeting suites and 141 bedrooms on a Kilkenny estate

Venues larger than your group

SETU Arena
Event space · Waterford, Ireland
Up to 5,000 guests2 event spaces
A 2,000 sqm events hall for conferences and expos, 2,000 seated or 5,000 standing, on the edge of Waterford

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8 venues in Ireland publish a capacity of 500 guests or more for meetings and corporate events: first those whose rooms suit that size, then the larger ones, closest first. The largest, Lyrath Estate, hosts up to 1,500 guests. Venues that publish no capacity are not listed here. Each page has the key facts and a request form for the events team.

Wedding venues in Ireland

Questions and answers

Which venues in Ireland can host 1,000 guests or more?

3 of the 8 venues publish a capacity of 1,000 guests or more: RDS Simmonscourt, Lyrath Estate, and SETU Arena.

Which venues in Ireland list their meeting rooms?

7 of the 8 venues name their meeting and event rooms, with capacities where published: Clontarf Castle Hotel, RDS Simmonscourt, The Heritage, The Round Room at the Mansion House, The Great Southern Killarney, Lyrath Estate, and 1 more.

What kinds of venues are listed in Ireland?

5 hotels and 3 event spaces.

How are these venues chosen and ordered?

By documented renown first, then by how fully each venue is documented (photographs, rooms, capacities), never by payment: venues do not pay to appear and the guide takes no commission. How we select venues.

List updated on November 11, 2026.