Online it says WIFI is free and in all rooms, this isn't true. There isn't wifi that I could tell except on the TV and it cost 10 euros to use but froze after payment every time.
The Glasshouse is Sligo’s only 4 star city centre hotel, towering dramatically over the Garavogue River it offers the discerning traveller chic interiors, great city views and proximity to all downtown Sligo has to offer.