Corjuem Fort is a fortress situated 4 kilometres from the village of Aldona on the river island of Corjuem, Goa. It was a military fortress for the defense of portuguese in India. It is smaller than the other forts in Goa, but it gives a good view of the surrounding river and land. It is a protected monument under the Goa, Daman and Diu ancient monuments and archaeological sites and remains act.
The original occupiers of this Fort were the Desai's of Sankhali but it was traded into maratha hand later into Sawant-Bhonsle of Sawantwadi. Under the Portuguese Viceroy Caetano de Mello e Castro,the control of the fort came under Portuguese administration. The fort was subsequently rebuilt by the Portuguese to boost up defenses along Panjim.
In the early 1800s, the fort was used as a Military School and had in its defenses a battery of four guns. The fortress defended the town of Corjuem and also had a chapel under parochial church of Aldona.