| Country | Location | Tower name | Built | Current status |
| Australia | Sydney | Fort Denison | 1856 | Museum, harbour light station. |
| Barbuda | Near Palmetto Point | River Fort Martello Tower | | |
| Bermuda | Ferry Reach | | 1823–1828 | Can be visited |
| British Virgin Islands | Tortola | Fort Recovery | | Private (hotel) |
| Canada | Point Pleasant Park, Nova Scotia | Prince of Wales's Tower | 1796 | Open to public |
| Canada | Halifax, Nova Scotia | Duke of York's Tower | c.1798 | Lower levels still exist. Site partially boarded off, can be visited |
| Canada | Halifax, Nova Scotia | Duke of Clarence's Tower | c.1798 | Demolished prior to 1900 |
| Canada | Kingston, Ontario | Fort Frederick | 1846/7 | Museum |
| Canada | Kingston, Ontario | Murney Tower | 1846 | Museum |
| Canada | Kingston, Ontario | Shoal Tower | 1846 | Closed to Public |
| Canada | Kingston, Ontario | Cathcart Tower | 1846 | Closed to Public |
| Canada | Quebec City, Quebec | Tower | 1808–1812 | Museum |
| Canada | Quebec City, Quebec | Tower | 1808–1812 | Open for group activities through National Battlefields Commission |
| Canada | Quebec City, Quebec | Tower | 1808–1812 | Destroyed |
| Canada | Quebec City, Quebec | Tower | 1808–1812 | Tourist activity - Escape game |
| Canada | Saint John, New Brunswick | Carleton Martello Tower | 1815 | Museum |
| Croatia | Korčula | Forteca Korčula (Fort Wellington) | 1813 | Deserted, accessible to hikers |
| India | Arnala Island | Hanumant Bastion | c. 1530s | Deserted and Dilapidated. |
| Ireland | Achill Island | Gabhla Fhranca | c. 1803–1815 | Partially collapsed but accessible to hikers |
| Ireland | Aughinish | Aughinish Tower | 1811 | Private residence |
| Ireland | Banagher | Meelick Martello Tower | | Private residence |
| Ireland | Drogheda | Millmount Fort | c. 1808 | Extant |
| Ireland | Balbriggan | North No. 12 | 1804–05 | Extant |
| Ireland | Skerries, Red Island | North No. 11 | 1804–05 | Extant |
| Ireland | Skerries, Shenick Island | North No. 10 | 1804–05 | Extant |
| Ireland | Drumanagh | North No. 9 | 1804–05 | Extant |
| Ireland | Rush | North No. 8 | 1804–05 | Extant |
| Ireland | Portrane, Tower Bay | North No. 7 | 1804–05 | Private residence |
| Ireland | Donabate, Balcarrick | North No. 6 | 1804–05 | Extant |
| Ireland | Malahide, Robswall | North No. 5, Hicks Tower | 1804–05 | Private residence |
| Ireland | Portmarnock, Carrickhill | North No. 4 | 1804–05 | Private residence |
| Ireland | Ireland's Eye | North No. 3 | 1804–05 | Extant |
| Ireland | Howth, Harbour Rd. | North No. 2 | 1804–05 | Ye Olde Hurdy Gurdy Museum of Vintage Radio |
| Ireland | Sutton South | North No. 1 | 1804–05 | Private residence |
| Ireland | Sandymount | South No. 16 | 1804–05 | Extant |
| Ireland | Williamstown | South No. 15 | 1804–05 | Extant |
| Ireland | Seapoint | South No. 14 | 1804–05 | Restored. Exhibition on the history of Dublin's Martello Towers. Guided tours during the summer months |
| Ireland | Kingstown Harbour, West Pier | South No. 13 | 1804–05 | Tower & battery, both demolished 1836 during extension of Dublin & Kingstown Railway |
| Ireland | Dún Laoghaire, site of present-day Peoples Park | South No. 12 | 1804–05 | |
| Ireland | Sandycove | South No. 11, James Joyce's Martello tower | 1804–05 | James Joyce Tower and Museum |
| Ireland | Bulloch Harbour | South No. 10 | 1804–05 | Private residence |
| Ireland | Dalkey Island | South No. 9 | 1804–05 | Extant |
| Ireland | Killiney, south end of Strathmore Road | South No. 8 | 1804–05 | Site of battery, not tower |
| Ireland | Killiney, Tara Hill | South No. 7 | 1804–05 | Fully restored |
| Ireland | Killiney, beach | South No. 6, Enoch's Tower | 1804–05 | Private residence |
| Ireland | Shanganagh | South No. 5 | 1804–05 | Site of battery, not tower |
| Ireland | Shanganagh, Mahera Point | South No. 4 | 1804–05 | Lost to coastal erosion |
| Ireland | Bray, Corke Abbey | South No. 3 | 1804–05 | Lost to coastal erosion |
| Ireland | Bray harbour | South No. 2 | 1804–05 | Private residence |