Lagoon depthThe deepest part of the Blue Lagoon is 1.4m/4.7ft., but most areas are shallower. However, the bottom of the lagoon is naturally uneven, making caution an imperative.
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Description. The water's milky blue shade is due to its high silica content. The silica forms soft white mud on the bottom of the lake which bathers rub on themselves. The water is also rich in salts and algae.
Can I swim laps in the Blue Lagoon and do I need goggles? The Blue Lagoon is designed for relaxed bathing. Its warm, milky waters are not suitable for vigorous exercise. Likewise, diving is not allowed anywhere.
In fact, you can always touch the bottom of the lagoon standing up, so it is not like a swimming pool. The milky-blue depths aren't clear either, so you only really want to stick your head under the water to keep warm or perhaps wash off your mud mask.
The seawater in the Blue Lagoon has high levels of silica. Silica is not harmful to hair. However, if your hair gets wet, it can become stiff and difficult to manage. Therefore, we recommend that you apply conditioner to your hair before entering the lagoon--and leave it in your hair while in the 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.
Blue Lagoon – HistoryIt 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.
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.
In the Blue Lagoon you will be advised to wash your hair. If you wash your hair before going into the thermal bath, your hair will have less silicia, which makes your hair dry. If you let your hair get wet in the Blue Lagoon, than put on conditioner in your hair.
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.
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.
Silica in the water is particularly good at absorbing oil, so is said to help with eczema and acne too. The Blue Lagoon geothermal spa is even officially approved by Iceland's National Health Service as psoriasis treatment.
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.
You are allowed to take photos and make videos in the main Blue Lagoon outdoor area, but photography and videography is not allowed in the changing/shower areas (obviously!), sauna, Retreat Spa, or any the spa sections. Many people bring in a waterproof action camera or their smartphone into the pool.