Aug 2, 2016
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Everything you need to know about the Blue Lagoon

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What is it?
In two words, a Geothermal Spa. Despite its reputation for being ‘natural’ the lagoon is actually man-made.

Blue Lagoon Entrance in Iceland, Europe

One of the 25 wonders of the world

The water is supplied from nearby geothermal power plant, Svartsengi and contains sulfur and silica giving the lagoon its healing reputation. The combination of minerals in the water is said to help people with skin ailments such as psoriasis. There are silica pots dotted all over the lagoon offering visitors an all natural skin mask. The silicate minerals create the lagoon’s milky blue shade.

The Blue Lagoon, Iceland, Europe

Big pot of milky blue

The temperature of the water lagoon averages 37–39 °C (99–102 °F) making it a steamy dream in Iceland’s cold climate. There are steam vents dotted around allowing visitors to enjoy a sulfuric steam facial.

Side view of the Blue Lagoon, Iceland, Europe

Geothermal wonder

Where is it?
Grindavík on the Reykjanes Peninsula in southwestern Iceland.

Tourists often visit the lagoon while travelling to Keflavík International Airport which is approximately 20km (12 miles) away. Reykjavik City Centre is around 39 km (24 miles) away.

Transport and Entry Costs

Need to know

  • You are given a wrist band on arrival which confirms your entry. This is also a magnetic key for your locker.
  • Children under the age of 9 years old are only allowed entry with armbands, which are provided free of charge.
  • Children under the age of 2 years old are not permitted to enter.
  • The changing rooms are huge with ample room for the amount of visitors.
  • Iceland have a strict hygiene code and even have ‘shower police’ to ensure everybody showers before entering public bathing areas.
  • Once you are in the lagoon, you are not timed and can stay as long as you wish.
  • Like some spas, the mud masks are not at the bottom of the water, there are wooden pots and spoons on the edge of the lagoon containing silica.
  • If you have long hair and get it wet, it becomes very tangled!
  • There are free bottles of mineral rich shampoo and conditioner in all showers.
  • The restaurant is notoriously expensive

Fun facts

  • Icelandic translation is Bláa lónið
  • The lagoon has a waterfall.
  • To keep the water fresh in the swimming and bathing areas, it is renewed every two days.
  • After going through electricity generating turbines, water heated by a lava flow is used to provide heat for a municipal water heating system. This water is the dropped into the Blue Lagoon for bathers to enjoy.
  • There is a research and development facility at the Blue Lagoon for skin ailments using the mineral-rich water for testing.

We booked with

  • Most external agencies only offer transport while the Lagoon itself charge the entrance fee
  • Book Reykjavik Excursions round trip here
  • Book Grayline Blue Lagoon and Airport transfers here
  • Book with Viator here
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    The Blue Lagoon, Iceland Guide and tips

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