Waterford Harbour Sailing Club is situated in Dunmore East in the west side of Waterford Harbour. It is the largest sailing club in South East Ireland and has a membership of 400. The club was founded in 1934 at Dunmore East and occupies a location beside the slip in the harbour. The present clubhouse was built in 1969 and was extended in 1974. The club is affiliated to the Irish Sailing Association.