Delft Island fort

Delft Island Fort (நெடுந்தீவுக் கோட்டை; ඩෙල්ෆ් බලකොටුව) was built by the Portuguese in Neduntheevu. Later, it was controlled by Dutch and they built a barrack nearby. Ralph Henry Bassett's book named “Romantic Ceylon: its history, legend, and story”, states it as a very strongly fortified fort.

The fort was constructed out of limestone and coral. Today, the ruins of fort can be seen on the island called "Neduntheevu" in the native language, Tamil. The Portuguese called this island "Ilha das Vacas" whilst the Dutch called it "Delft Island".