Barberyn Island a 3.25 ha (8.0 acres) island situated 0.8 km (0.50 mi) offshore from the town of Beruwala on the south-west coast of Sri Lanka,[3] 56 km (35 mi) south of Colombo.The lighthouse is a 34 m (112 ft) high round white conical granite tower.

[3] The lighthouse was completed in November 1889,[4] and operated by the Imperial Lighthouse Service.

In 1969 it was upgraded with the replacement of the old dioptric apparatus (produced by Chance Brothers) and with a pedestal rotating beacon (Pharos Marine PRB-21 sealed beam optic and drive pedestal).

It was further modernised in 2000, with the introduction of a Differential Global Positioning System (DGPS) and is computer linked to the other major lighthouses around the country.

The Barberyn Lighthouse is one of the four international lighthouses in Sri Lanka.