Is Blue Lagoon hot or cold?

How warm is the 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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Blue Lagoon is a geothermal spa Blue Lagoon is not really a hot spring if you want to get technical. It is a man-made lagoon made with water from the nearby Svartsengi geothermal power plant. They pump up the water and use steam to generate electricity.

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Either way, you won't feel too cold. The water is 38-40°C so very hot, and a warm, romantic, cozy steam covers the whole place. When you need to get out, it's usually just for a few seconds until you reach the sauna, steam bath, or another side of the pool. So you won't have time to feel cold, really!

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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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How is the Blue Lagoon Heated? Geothermal energy. Underground lava flows and natural hot springs heat the lagoon's mix of sea and freshwater. The water is drawn up through geothermal extraction wells from 2-kilometres beneath the Earth's surface.

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The best time to visit the Blue Lagoon is in the evening to enjoy the midnight sun in summer or the northern lights in winter. The average water temperature is 102 F (39 C) all year. The Blue Lagoon is not natural and was formed in 1976.

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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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Likewise, you can purchase a swimsuit in the shop at Blue Lagoon. Is there a maximum time allowed in that water? You may spend as much time as you wish enjoying the water. Your entry ticket is valid for the entire day.

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Yes, you can take your phone in the Blue Lagoon, but definitely bring a waterproof case to protect it from water and silica.

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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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Flip-flops, slippers and water shoes are allowed around the lagoon's edge and although flip-flops are not provided as standard, the shop does sell them if you forget to pack a pair. Slippers are included with the premium package.

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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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While these are great for your skin, they can leave your hair feeling dry and matted. To minimize these potential effects, we recommend that you avoid immersing your hair in the water for too long and that you rinse your hair with fresh water after exiting the lagoon.

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The Blue Lagoon is a geothermal spa in southwestern Iceland. The spa is located in a lava field near Grindavík and in front of Mount Þorbjörn on Reykjanes Peninsula, in a location favourable for geothermal power, and is supplied by water used in the nearby Svartsengi geothermal power station.



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The Blue Lagoon does not allow any skinny dipping. You will have to bring along your swimsuit in order to enter both the water and the saunas. However, there aren't any rules about the type of swimsuit you can bring.

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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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What month is best to go to the Blue Lagoon? I'd say that the winter months are best for the blue lagoon – there's something so special about dunking into a warm pool when the weather conditions are frigid! Just try to visit during sunset so you can enjoy the light and dark.

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Unlike boring old regular geothermal water, the composition of the Blue Lagoon is unique—you won't find it anywhere else in the world. It's home to a couple of algae plants also not known to exist elsewhere. This combination has been found to have a number of proven beneficial effects on skin.

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make sure to remove your jewellery & contact lenses. Wear sunscreen & sunglasses. Stay hydrated. Remember to shower before and after getting into the Blue Lagoon.

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To avoid getting your hair wet while in the Blue Lagoon, we recommend using a swim cap or tying your hair in a bun.

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