In Iceland, there is a lot of interesting beaches. Reynisfjara black beach, The Diamond beach, Stokksnes – a photographer´s paradise beach, Great beach of Rauðasandur, and even this one in Reykjavík is special. Nauthólsvík is geothermal beach and there is even a small hot pot. Just to be hones, if you are not an Icelander or someone from a Nordic country, you probably won´t come here to swimm.
As a bonus, you can observe planes who are about to land at the Reykjavík domestic airport.
How to Find Nauthólsvík:
Nauthólsvík beach is located bit apart (but not far away) from the city of Reykjavík, you can find it at the south end of the Reykjavík domestic airport. It is just about 30 minutes to go from the Hallgrimskirkja if you want to come on walk.
GPS coordinates of Nauthólsvík geothermal beach: 64.121311, -21.930025 Take me there!