This is a list of the tallest structures on the island of Ireland.
Those in Northern Ireland are denoted by a light blue background, the rest are in the Republic of Ireland.
Entries in the list that are in Northern Ireland are denoted by an asterisk, the others being in the Republic of Ireland.
Sculptures
Spire of Dublin, 120 m (394 ft)
Spire of Hope, St Anne’s Cathedral, Belfast*, 72m (236 ft)
Gantry Cranes
"Samson", Harland and Wolff, Belfast*, 106 m (348 ft)
Bridges
River Suir Bridge, Waterford, 100 m (330 ft)
Boyne River Bridge, 95 m (312 ft)
Windmills
Kilgarvan Wind Farm (group of 14 Wind Turbines), 93 m (305 ft)
Obelisks
Wellington Monument, Phoenix Park, 63 m (207 ft) (Tallest in Europe)
Lighthouses
Fastnet Rock Lighthouse, 44.5 m (146 ft)
Stadiums
Croke Park, 40 m (131 ft)
Moving sculptures
Irish Wave, Park West, Dublin, 35.4 m (116 ft) (Tallest in Europe)
Round towers
Kilmacduagh monastery, 34 m (112 ft)
Castles
Nenagh Castle Keep, 31 m (102 ft)
Standing stones
Punchestown, 6.5 m (21 ft)
High crosses
Muiredach's High Cross, Monasterboice, 6.45 m (21 ft)
Capital Dock, Dublin 79 m (259 ft). On the site of cancelled "U2 Tower" project. On completion, will be the tallest storeyed building in the Republic and third tallest in Ireland.
Bolands Quay, Dublin 54 m (177 ft).
Dublin Airport New Air Traffic Control Tower, 86.9m, to be built in tandem with new northern runway
Ilex Tower, Derry 73 m (240 ft) (part of Fort George regeneration project)
Exo Tower, Point Village, Dublin, 73m. On the site of cancelled "Watchtower" project.
Bellacorick Cooling Tower, 89 m (290 ft), demolished 2007
Churchill House, Belfast, 66 m (215 ft), demolished 2004
Boyne Obelisk, 53 m (174 ft), destroyed 1923
Ballymun Flats, 42 m (136 ft), demolished 2004-2015
Nelson's Pillar Monument, 41 m (134 ft), destroyed 1966
