[1] Originally erected as a mud fortress by the Talpur Mirs in 1797, the fort was captured by the British in 1839 - after which they seized control of Karachi and lower Sindh.

[2] Manora Fort was built by the Talpur dynasty in 1797 in order to protect the port,[2] which handled trade with Oman and Bahrain.

[3][4] The fort was built at the top of cliffs that were 90–100 feet (27–30 m) in height,[5] with a small mosque and a round tower.

[2] The fort was used to repel attacks by Qasimi pirates who threatened and sometimes raided Karachi Harbor in the early 19th century.

After independence in 1947, Manora Fort became the main base of the Pakistan Navy, with berths for naval vessels located along the eastern edge of the island.