The lighthouse of Keri is on the southwest tip of the island. It is a circular tower height of 7.5 meters with a house for the  lighthouse personnel.
It was built in 1925 and operated with oil, having 23 nm luminescence And this lighthouse remained in disuse during the Second World War. It was lit again in 1954.In 1982, it was powered with electricity and was enhanced by new lighting equipment. Its characteristic is the 4 white flashes every 15” and the 17 nm luminescence.