The islet is in between the other two islets on north and south, also called ‘Button’ islands appear to be the three peaks protruding out of the same extinct volcano. The islets have vegetation and look quite beautiful.
In order to assist the navigation in the region, a chain of lighted beacons was established in 1983. The middle Button Lighted beacon was one of them. DA gas equipment with 300 mm drum optic and lantern and sun valve was installed over the 12m high GI tower in 1983. It was commissioned in to service on 3rd May 1983. The DA gas flasher and burner were replaced by electronic flasher, halogen lamp and Batteries charged by solar energy on 25th February 1996. |