The Sewri Fort was built by the British in 1680. The fort served as a watchtower overlooking the harbour.

The Worli Fort was built by the British in 1675. The fort served as a watchtower overlooking the Mahim Bay.

The Sion Fort was built by the British in 1677. It lies in ruins and has been taken over by tree cover and bushes.

The Bandra Fort or Castella de Aguada was built by the Portuguese in 1640. It served as a watchtower overlooking Mahim Bay. 

The Madh fort was built by the Portuguese in 1640.

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The Riwa Fort also known as Kala Quilla or Black Fort was built by the British. The fort lies in Dharavi and has been completely encroached upon by slums.

The Manor House built in 1540 by Garcia de Orta during the rule of the Portuguese was later redeveloped into The Bombay Castle by the British in 1680.