The RIU Plaza Gresham hotel is a Dublin landmark set in the heart of Dublin City Centre and within minutes walk of the River Liffey, Temple Bar, the IFSC and the cities shopping districts. The hotel opened in 1817 when Thomas M Gresham bought 21-22 Sackville Street - now O`Connell Street. The RIU Plaza The Gresham successfully maintains the grandeur and elegance of that period from its Waterford crystal chandeliers and grand staircase that greets the arriving guest. The location is unequalled, in the centre of Dublin`s main street, O`Connell Street. The hotel also offers parking in the multi story underneath the hotel,charged at 14 euro for 24 hours. NO HEN OR STAG PARTIES. More Info.