Renisfjara Beach is considered one of the most beautiful natural oddities around the world, as it is characterized by its black sand that was formed by the erosion of huge basalt rocks in the past ages. 1991 among the ten most beautiful non-tropical beaches in the world. The beach has a special beauty resulting from the blending of a painting of black sand with its white water foam and crystal waves, in a color contrast that is the strangest of its kind in the world.