The most famous attraction on the peninsula not far away from the international airport is the Blue Lagoon. Use the opportunity to visit the famous Blue Lagoon the geothermal pool, where you can relax and enrich your skin before checking in at your hotel.
If you have extra time, then we have several options to visit other location at the Reykjanes peninsula, such as the geothermal site at Seltún. There you will see the colored soil which is bright yellow, red, and green caused by iron oxidation, Sulphur and calcite precipitation. In the 18th century the Sulphur deposits were mined in this location and exported as a valuable commodity, which was mainly used for gun powder.
Other interesting sites are the geothermal site in Reykjanes, where you find the famous Gunnuhver, and beautiful lighthouse located at the coast with interesting bird watching at the same time.