Grotta Island is a nature reserve located at the tip of the Seltjarnarns Peninsula in the northwestern part of the greater Reykjavik region. It has been a nature reserve since 1974 due to the abundance of birds in it. There has been a lighthouse on this island since 1897; The current lighthouse dates back to 1947, was connected to the electricity grid in 1956 and has remained virtually unchanged ever since. While discovering this region rich in nature, do not forget to take a tour of Reykjavik to see its most famous landmarks.