The Lusignan city walls, surrounding Magusa until 1489, in spite of being high, they were thin. Later on Venecians, seizing Cyprus, in order to take precautions against the Ottomans and strengthen the city walls against the firearms, in 1550 engineer Giovanni Girolamo Sanmichele and captain Nikolao Foskanini were brought from Venice to overhaul. The Martinengo Citadel, Land Gate and especially the city walls on the direction of the sea were built in this period. Besides, a 46 meter ditch was opened around the city wall that’s outside of the city filled with water. These city walls built up of 3 km long giant cut stones’ height is 18m and at some places width is 9m. On the walls there are towers, gates, platforms, braziers, depots, warehouse and barn. The towers on the city walls are called as: On the city walls there are 13 named towers. The names are;
1. Canbulat (Arsenal),
2. Deniz Kapısı Burcu (Mare),
3. Othello (Castelle),
4. Halkalı Mazgal (Signoria),
5. Karpaz Tabya (Diamante),
6. Şehit Tabya (Mozzo),
7. Tophane (Martinengo),
8. Pulocazaro,
9. Moratto,
10. Diocare,
11. Kara Kapısı (Akkule-Ravelin),
12. Altın Burcu (Santa Napa),
13. Su Burcu (Andurizzi),
14. Halkalı Tabya (Campo Santo)

Also, as an inner castle, there are Othello building and as two original gates Land Gate (Ravelin) and Sea Gate (Porta del Mare). The city walls ruined at the time of the Ottomans surrounding Magusa, were also restored by them.