Position of marker is approximate. It was set at right-angles to Queen's Road, today's Queensway. The front of the building extended out over the pavement, and had three arches facing the road. The first and second floors had verandahs. It's the building in the centre of this photo:
Location can be seen on the old map of the Barracks available at the Survey & Mapping Office, their ref: HG7.
In the 1960s photo below it has signs "NAAFI Club", and "Union Jack Club".