The Puerto del Rosario Light is the main navigation marker for the shipping arriving at the port on the eastern side of the island. It lies between the Punta Martiño Lighthouse on the island of Lobos to the north and the Punta La Entallada Lighthouse in Tuineje to the south.
The lighthouse first entered service in 1992, as part of the third maritime lighting plan for the Canaries.
Light can be seen for 20 nautical miles. Its light characteristic is a flash of white light every five seconds.