The Blue Lagoon geothermal spa is one of the most visited attractions in Iceland. The spa is located in a lava field in Grindavik on the Reykjanes Peninsula, southwestern Iceland. Year round the water temperature in the swimming area of the lagoon averages 99 degrees. You can enjoy the water while surrounded by snow!
Travelling to Blue Lagoon is easy. From the main highway that connects Keflavik and Reykjavik, turn at the sign marked "Blue Lagoon" and drive aprox. 10 km/6,5 miles. It is around 25 miles away from the capital city of Reykjavik and 12 miles from Keflavik International Airport.
The Blue Lagoon (Icelandic: Bláa lónið) is a geothermal spa in southwestern Iceland. The spa is located in a lava field near Grindavík on the Reykjanes Peninsula, in a location favourable for geothermal power, and is supplied by water used in the nearby Svartsengi geothermal power station. The Blue Lagoon is approximately 20 km (12 mi) from Keflavík International Airport, and is one of the most visited attractions in Iceland.Provided By: https://en.wikipedia.org/wiki/Blue_Lagoon_(geothermal_spa)