Is the water cold in Blue Lagoon?

The water in the Blue Lagoon is heated to around 37-40 degrees Celsius (98-104 F). Due to fluctuations in weather conditions, the precise temperature may change month to month, however you can expect pleasantly warm waters year-round. The sensation is similar to stepping into a hot bath.



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Are swim suits required at the Blue Lagoon? Bathing suits are worn in and around all areas of the bathing lagoon, including the sauna. You can bring your own, or rent them from reception. You can also rent towels and bathrobes.

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Do you shower after the Blue Lagoon? Yes, you should shower before and after your stay at the lagoon. Guests are required to shower, without their swimsuit, prior to using the geothermal spa. Simply use the showers and soaps available in the changing rooms.

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The Blue Lagoon water has high levels of silica. Silica is not harmful to hair. However, if you get your hair wet from the water, it can become stiff and difficult to manage. We highly recommend you apply conditioner to your hair and leave it in while you bathe.

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Bring a waterproof sleeve for your phone Don't bring your phone into the lagoon unless you have a waterproof case.

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You are welcome to bring your own towel, robe or slippers. However, towels are included in all packages, so there is no need to bring it with you.

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If you book the Premium or Luxury packages, then your entrance also includes a bathrobe. If you have your own towel (or bathrobe), you are welcome to bring it to the Blue Lagoon to use. However, we recommend just using the free towel provided as otherwise you will have wet towels to take home with you.

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Do you provide towels, bathrobes, or slippers? Our two types of entry tickets—Comfort and Premium—include the use of a towel. However, the Premium ticket also includes the use of a bathrobe. If you have a Comfort ticket and would like a bathrobe, you can rent them for ISK 1500 each.

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But is the lagoon's renowned geothermal seawater harmful to your hair? No, it is not harmful. Geothermal seawater contains high concentrations of minerals, such as sulfur, silica, and magnesium. While these are great for your skin, they can leave your hair feeling dry and matted.

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Blue Lagoon – History It is not a natural hot spring – in fact, the water within is wastewater from the power plant! While at first glance this may put you off, it should be noted that the water in the Blue Lagoon is completely safe and contains only natural minerals.

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Also be aware that if you lose your bracelet, you will be charged a fee. All guests must shower—without a swimsuit—before entering the Blue Lagoon.

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No, you shouldn't put on makeup to bathe in the Blue Lagoon, as the water could get dirty. In fact, this is one of the main reasons why it's mandatory to shower before entering the Blue Lagoon.

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Sandals have virtually no use in Iceland, even in summer when the average temperature hovers at just over 10° Celsius. The one exception to this is on multi-day hikes, such as the Laugavegur Trek from Þórsmörk to Landmannalaugar, which will require you to cross rivers on foot.

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However, unlike some naturally occurring hot pools the Blue Lagoon is self-cleaning with nine million litres renewed by the aquifers every 40 hours. The pool is checked regularly by the spa for “foreign bacteria” and waterborne diseases, which are a risk in other geothermal pools including in New Zealand.

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To enjoy a more peaceful and serene experience, it's best to visit the Blue Lagoon during off-peak hours. Visiting early in the morning between 8:00 AM and 9:00 AM or in the evening between 6:00 PM and 7:00 PM when it's quieter is a great way to avoid crowds and fully appreciate the natural beauty of the lagoon.

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We recommend that you remove any jewelry (rings, necklaces, bracelets, etc.) before entering the lagoon. This will ensure that you don't lose your items and that they don't get damaged by geothermal seawater which has high levels of silica, algae, and minerals.

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The Blue Lagoon was named because the water of the lagoon looks blue when reflected from the sun but in actuality, the water is a milky white color. And don't worry about the smell, the sulfur has been removed so there is no funky smell at all anymore.

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