Do You Wear A Bathing Suit In The Blue Lagoon?

Do You Wear A Bathing Suit In The Blue Lagoon?

Yes. A bathing suit is required in the Blue Lagoon, and the venue's own etiquette page is unambiguous: swimwear is worn in the water at all times. The apparent confusion comes from the shower rule, because every guest must shower without a swimsuit before entering, which is standard Icelandic pool law rather than a Blue Lagoon quirk. Swimwear goes back on after the shower.

That single distinction trips up a remarkable number of travellers, and it drives more search questions than almost anything else about the venue. The shower happens in a private stall or a communal shower room, depending on the changing facilities you have chosen, and it is a legal requirement rather than a house suggestion. Icelandic regulation number 814/2010 on health practices at swimming and bathing facilities states in its ninth article that guests shall wash themselves without swimwear before going to the pool, and it also requires bathing facilities to display exactly that instruction. So the sequence is fixed: shower naked with soap, dry off, put your bathing suit back on, then enter the lagoon.

Blue Lagoon's own wording on the etiquette page reads: "All guests must shower, without a swimsuit, before entering the Blue Lagoon. Use of Blue Lagoon Skin Science shower gel and hair conditioner is complimentary." Nothing in that sentence, or anywhere else on the venue's published pages, suggests the lagoon itself is clothing optional. The opposite is true, and the venue asks for bathing suits in the water the same way every other commercial lagoon in the country does.

If you are still weighing which ticket to buy, the swimwear question interacts directly with what each tier includes, because towels, bathrobes and slippers are not distributed equally across the admission packages. The cheapest ticket does not include a robe, and nobody hands you a swimsuit at the gate.

What Each Blue Lagoon Ticket Includes

Comfort, the base tier on the live listing from $146, includes entry, a towel, a silica mud mask, shampoo, conditioner, moisturizer, a private locker and one non-alcoholic drink. Premium adds a bathrobe, a drink of choice at the in-water bar, two extra masks and a take-home mask. Signature adds a second drink, two more masks and skincare products to take home.

Those are the venue's own published tiers, and the differences matter more than most buyers expect. A towel is included in every tier, which is the item people most often assume they need to carry from home. A bathrobe is not included in Comfort, so if you want one for the walk between the changing room and the water on a cold day, Premium or Signature is the route to take. Slippers do not appear in any published tier, and the venue makes no promise of them, so plan on bare feet or your own sandals.

Blue Lagoon also publishes a few ground rules that shape what you wear and carry. An electronic bracelet works as your locker key and cashless payment card, and there is a fee if you lose it, so the locker is where your clothes live while you soak. Photography is allowed around the lagoon with respect for other guests, but the venue states plainly that it does not allow photography in or around the locker rooms. There is a limit of three alcoholic drinks per guest while using the lagoon, and lifeguards are on duty at all times.

One practical note on arrival: your ticket carries a one-hour arrival window, and the venue asks you to arrive within it, but once you are in you can stay in the lagoon as long as you like within opening hours. Children aged eight and under must wear floaties, which are available free at the lagoon entrance, and one adult can accompany a maximum of two children. The minimum age for using the Blue Lagoon is two years old, which the venue explains as a precaution for young skin given the water's natural mineral content.

For a full walkthrough of the tiers with booking guidance, see the detailed Blue Lagoon tickets and packages guide.

Is The Blue Lagoon Clothing Optional?

No. The Blue Lagoon is not clothing optional, and neither is any other ticketed lagoon in Iceland. The naked shower before entry is a hygiene requirement under Icelandic regulation 814/2010, and swimwear is compulsory in the water at every venue surveyed: Blue Lagoon, Sky Lagoon, Secret Lagoon, Forest Lagoon, Vök Baths and Earth Lagoon Mývatn all publish that rule in their own words.

The legal basis is worth understanding because it explains why the rule is identical everywhere. Regulation 814/2010, issued in October 2010, governs health practices at swimming and bathing facilities across the country. Its ninth article requires guests to wash without swimwear before entering the water, and it requires operators to provide mild liquid soap and to post instructions to that effect. The same regulation sets out disinfection and water-renewal requirements, which is why the shower rule and low chlorine go together: the more thoroughly guests wash before entry, the less chemical treatment the water needs.

Reykjavík City explains the same practice for municipal pools on its own swimming pages, noting that cleanliness is important in Icelandic pools to keep the environment pleasant and to limit the use of chlorine in the water. Visitors from countries where pre-swim showering is a quick rinse with a suit on are sometimes startled by the thoroughness here, but it is the single most consistent cultural rule in Icelandic bathing life, from a neighborhood sundlaug to the most expensive spa in the country.

How each lagoon words the rule varies slightly, and the wording tells you how strictly it is enforced:

The question of whether hot springs in Iceland are clothing optional gets asked often enough that it has its own treatment elsewhere on this site, particularly in connection with Sky Lagoon, where the changing-room tiers raise a related set of questions about privacy. If you are deciding between the two capital-area venues, the Sky Lagoon clothing and swimwear rules post covers that venue in full, and the private showers question at Blue Lagoon deals with the changing-room layout here.

On privacy at Blue Lagoon specifically: the venue publishes that there are separate changing rooms for men and women, plus private changing rooms and individual shower stalls for those who prefer more privacy. So the naked shower never forces you into a communal setting if that is a concern. Sky Lagoon takes the same idea further and sells it as a tier: its Saman pass uses public changing rooms with shower cubicles, while its Sér pass includes private showers and private changing areas, with towels free in both.

Silica, Hair And Jewellery: What The Water Actually Does

Blue Lagoon advises applying conditioner to your hair before entering and leaving it in, because the water's high silica content can make hair temporarily stiff and hard to manage. It also recommends removing jewellery, since geothermal seawater can tarnish it. The venue makes no claim that the water damages swimsuits, and this site makes none either.

Those two advisories are the only verified, venue-published effects on personal items, and they are worth taking seriously because the water is genuinely unusual. Blue Lagoon describes its geothermal seawater as 70 percent ocean water and 30 percent freshwater, drawn from about two thousand meters underground, emerging enriched with silica, algae and minerals, and reaching the lagoon at around 38°C. The water is not chlorinated or treated; the venue states that it fully renews roughly every 40 hours with no additives. More of these guides are collected on Lagoons in Iceland.

The hair advisory is the one that catches people out. Silica is not harmful to hair, in the venue's own words, but it leaves hair stiff and difficult to manage until washed out. Conditioner is provided free at the showers, and the recommendation is to work it through your hair before you get in and leave it in place while you bathe. Guests with long hair often tie it up as well, which is common sense rather than a published rule. Contact lens wearers get a similar advisory: salt and minerals in the seawater can irritate eyes, so the venue recommends removing lenses before entering. Prescription glasses should not be submerged, since silica might damage the lenses.

Jewellery is the quieter advisory and the more expensive one to ignore. The venue recommends removing jewellery before entering so that it does not get tarnished by geothermal seawater rich in silica, algae and minerals. Earth Lagoon Mývatn publishes the same warning with more specificity for its sulphur-rich water, recommending that guests remove silver or copper jewellery, which can discolor or tarnish. If you own a silver ring you care about, leave it in the locker, which is exactly what the electronic bracelet system makes easy.

What the water does to a swimsuit is a question the venue does not answer with a warning, and this site will not invent one. No published advisory from Blue Lagoon, or from any lagoon in the verified corpus, claims the water damages swimwear, bleaches fabric or ruins a tattoo. The verified effects are the two above: silica and hair, and tarnish on jewellery. Anything more dramatic you may have read is folklore.

What You Can Rent, And What Is Included, Across Iceland's Lagoons

Towel rental at the venues that publish rental prices runs from about ISK 1,200 to ISK 1,400, and swimsuit rental sits in the same band where it is offered. Blue Lagoon includes a towel in every tier but publishes no swimsuit rental, so bring your own suit. Sky Lagoon includes towels free and offers swimsuit rental or purchase on site.

The rental picture is genuinely useful for packing decisions, because it varies more than the shower rule does. Some venues bundle a towel into the base ticket, some sell it as a rental, and a couple include a drink as well. The table below gathers the published figures from each venue's own price page, and it is worth checking the live listing for your chosen venue before you rely on any single line, because rental prices are exactly the kind of figure that gets revised quietly.

Two patterns stand out. First, robes are rarer than towels: outside Blue Lagoon's upper tiers, only a handful of venues even offer a bathrobe rental, and Sky Lagoon explicitly does not offer robes or slippers at all, on the grounds that the lagoon is accessed directly from the changing rooms. Second, the venues that include a towel in a base ticket are the minority, which makes Blue Lagoon's Comfort tier and Sky Lagoon's passes the outliers rather than the norm.

For a broader price comparison across every ticket on the roster, the Iceland lagoon ticket prices compared guide breaks down the full spread, and the what is included in lagoon packages guide does the same for inclusions rather than prices.

What To Pack For The Blue Lagoon

Pack a swimsuit, a hair tie if you have long hair, flip-flops or sandals if you want them, and any jewellery you plan to remove can stay home or in the locker. You do not need a towel, soap, shampoo, conditioner or a drink ticket, because all of those are included in every admission tier. Dry underwear for after is the one item people forget.

The sandals question deserves a line. Blue Lagoon does not publish a flip-flop rule, and Reykjavík City's municipal pool guidance notes that most people go barefoot but appropriate footwear like flip-flops is welcome. At Sky Lagoon the same question comes up often enough that it has its own post, the do I need flip-flops at Sky Lagoon guide, and the reasoning there transfers: the floors are heated and clean, but the walk from a changing room to an outdoor lagoon in winter is cold on bare feet.

Beyond the packing list, a few behavioural rules round out the picture. Photography is fine around the lagoon but banned in the locker rooms. The bracelet on your wrist pays for everything, including the in-water bar, subject to the three-drink limit. Luggage can be stored for a small fee at the luggage house in the main parking lot, which matters if you are visiting between the airport and your hotel, a routing question covered in detail in the Keflavík or Reykjavík overnight comparison.

One last note on the water itself, because it explains the venue's whole character: the lagoon formed by accident in the 1970s when water from the nearby Svartsengi geothermal power plant collected in the lava field instead of draining through it, as everyone expected, because its high silica content kept it from seeping away. The swimsuit you wear into that water is swimming in an unplanned reservoir that turned out to be the country's best-known bathing venue, and the silica that built the lagoon is the same silica the conditioner advisory is about. For everything on the venue's current status and the volcanic situation on Reykjanes, see the is the Blue Lagoon open guide.

Common Questions About Bathing Suits In The Blue Lagoon

Do You Wear A Bathing Suit In The Blue Lagoon?

Yes. A bathing suit is required in the Blue Lagoon water at all times. The only part of the visit conducted without swimwear is the mandatory pre-entry shower, which Icelandic regulation requires to be taken without a bathing suit. Swimwear goes back on before you enter the lagoon.

Is the Blue Lagoon clothing optional?

No. Swimwear is compulsory in the lagoon, and every major ticketed lagoon in Iceland publishes the same rule. The naked shower before entry is a hygiene requirement, not an indication that the venue is clothing optional.

Does the Blue Lagoon provide a towel?

Yes. A towel is included in every admission tier, from Comfort upward. A bathrobe is included only in the Premium and Signature tiers. Slippers are not included in any published tier.

Can you rent a swimsuit at the Blue Lagoon?

Blue Lagoon does not publish a swimsuit rental, so bring your own. Several other Icelandic lagoons do rent swimwear, and Sky Lagoon offers swimsuit rental or purchase on site.

Does the Blue Lagoon water ruin your hair or swimsuit?

The venue's verified advisory is about hair, not swimwear: silica in the water can make hair temporarily stiff, so apply conditioner before entering and leave it in. The venue also recommends removing jewellery, which can tarnish. No published advisory claims the water damages swimsuits.

Are the showers at the Blue Lagoon private?

There are separate men's and women's changing rooms, plus private changing rooms and individual shower stalls for guests who prefer more privacy. The naked-shower rule applies regardless of which shower you use.