Blue Lagoon vs Sky Lagoon: The Published Rules Side by Side

Part of our Iceland pools and lagoons series, built from the venues’ published rules rather than a personal visit: shower rules · age limits · Blue Lagoon vs Sky Lagoon · Reykjavík city pools.

Most comparisons of Iceland’s two best-known lagoons are opinion: which one felt nicer, which was busier. This one is not. We read what Blue Lagoon and Sky Lagoon publish about themselves (rules, depths, temperatures, what each ticket includes) and put it side by side. The differences that matter for choosing are not subtle, and several of them decide the question for you.

The comparison table

	Blue Lagoon	Sky Lagoon
Where	Reykjanes peninsula, in the lava field near Grindavík	Kársnes, Kópavogur, on the edge of Reykjavík
Minimum age	2 years (source)	12 years; 12-14 with a guardian 18+ (source)
Depth	“90-145 cm deep”	“At its deepest point, the lagoon is 120 cm”
Water temperature	“generally between 37°C and 40°C” (source)	“approximately 38 – 40°C”
Time the venue suggests	“Typically, guests enjoy the water for two hours”; about four hours in total on site (source)	“The recommended time is 1.5 – 2 hours.”
Tickets	Comfort, Premium, Signature — from ISK 11 990 / 14 990 / 18 490 (source)	Saman and Sér — from €115.23 / €138.29 per adult (source)
Towel	Included in all three	“Towels are free of charge for all guests.”
Bathrobe	Premium and Signature only	“Sky Lagoon does not offer robes or slippers”
Changing and showers	Individual shower cubicles	Saman: “shower cubicles and a shared changing area”. Sér: “private showers and private changing areas”
Built-in ritual	None; the lagoon itself	The seven-step Skjól ritual, included in both passes
Alcohol	“Each adult guest may only buy 3 alcoholic beverages while in the lagoon.”	“three (3) alcoholic drinks per adult”
Phones	Allowed; “protecting your device with a waterproof case” advised	Allowed; “be very mindful with your photography”

Prices are the “from” prices each venue published on 27 September 2026 and change with season and time slot.

The difference that decides it for families

Sky Lagoon does not admit anyone under 12. If you are travelling with younger children, the choice is made: Blue Lagoon (from age two, armbands up to eight) or one of the alternatives on our Iceland lagoon age limits page.

What the Sky Lagoon ritual actually is

Sky Lagoon’s defining feature is the Skjól ritual, a fixed seven-step circuit included in both passes. As the venue lists it:

• Laug — the lagoon, 38-40°C
• Kuldi — cold plunge, 5°C
• Ylur — sauna, 80-90°C
• Súld — cold mist, around 5°C
• Mýkt — the Sky Body Scrub
• Gufa — steam room, 46°C
• Saft — a crowberry elixir

If hot-cold contrast bathing is what you are after, that is the case for Sky Lagoon; it is the closest thing in Iceland to the Nordic sauna tradition covered in our German sauna guide. Swimwear stays on throughout: bathing suits are “obligatory in the lagoon area and the Seven-Step Ritual.”

What the Blue Lagoon packages add

Blue Lagoon sells the water itself in three tiers. All three include a towel; Premium and Signature add a bathrobe. The venue’s own numbers suggest a longer outing: around two hours in the water and about four hours on site in total. Two things it tells guests in advance: leave conditioner in your hair for the whole visit, because the silica water is hard on hair, and keep glasses above the surface.

Distance and logistics

Sky Lagoon sits on the edge of the capital, so it slots into a Reykjavík day. Blue Lagoon is out on the Reykjanes peninsula, closer to Keflavík airport than to the city, which is why many visitors fit it in on arrival or departure day. Both publish the same shower rule: without swimsuit, before you enter. See our shower rules page for the wording.

Which fits whom

• Travelling with children under 12: Blue Lagoon.
• You want the sauna and cold-plunge circuit: Sky Lagoon; it is built into every ticket.
• A short visit from Reykjavík: Sky Lagoon, 1.5 to 2 hours by its own recommendation.
• Arriving or leaving via Keflavík: Blue Lagoon is on the way.
• You want a robe: Blue Lagoon Premium or Signature; Sky Lagoon provides none.

Booking

Both sell timed entry and both sell out in peak periods. The matching listings with free cancellation are Blue Lagoon admission (optional transfer) and Sky Lagoon entrance including the 7-step ritual. Booking direct with the venue is equally fine; check which package or pass a listing includes before you pay. The rest of the cluster — shower rules, age limits and the city pools — sits in the Iceland lagoons and pools guide. Before you pack for either, what to bring to the Blue Lagoon and Sky Lagoon sets out what each venue supplies, the four things it does not, and the hair instruction Blue Lagoon publishes itself.

Objection 1: “Do I really have to shower naked, and is there any privacy?”

Yes to the first part. Both venues publish the same rule as every public pool in Iceland: a full shower without your swimsuit before you enter the water. Blue Lagoon’s own wording is “All guests must shower—without a swimsuit—before entering the Blue Lagoon.” Sky Lagoon’s rules say the same. The general Icelandic rule and the reasoning behind it are on our Iceland shower rules page; this section only covers what the two lagoons say about privacy.

The privacy answer differs by venue and, at Sky Lagoon, by ticket:

• Blue Lagoon: separate changing rooms for women, men and a gender-neutral space. On showers, the venue says: “If you desire more privacy while you shower, locate a shower that is equipped with a door.” So doored cubicles exist, but it does not promise that every shower is one.
• Sky Lagoon, Saman pass: “shower cubicles and a shared changing area”.
• Sky Lagoon, Sér pass: “private showers and private changing areas”. Sér is the only option here where the whole changing process is private, which is a large part of what the higher price buys.

Swimwear is required in the water at both venues; the nudity is confined to the shower. For the exact wording at each venue, including the city pools, see the Blue Lagoon shower rules page, which also covers the wider Iceland geothermal pool rules on phones, alcohol and children.

Objection 2: “A Reykjavík city pool costs a fraction of this. Why pay for a lagoon at all?”

The objection is fair, so here are the published numbers. The City of Reykjavík’s fee list, in effect since 5 May 2026, prices single adult admission to its municipal pools at ISK 1,500, children 10–17 at ISK 400 and children 0–9 with a guardian at ISK 0; a 10-visit adult pass is ISK 7,000. At the time of checking (6 October 2026), Blue Lagoon’s cheapest ticket, Comfort, was listed “from ISK 11 990”, about eight times a city-pool entry. Sky Lagoon publishes its prices in euros (from €115.23 for Saman, €138.29 for Sér, checked 27 September 2026), so there is no like-for-like krona figure, but it is in the same band.

What the extra money buys, according to the venues’ own inclusions lists, is not “better water”. It is the setting (lava field or ocean edge), the built-in extras (Blue Lagoon: towel, silica mask, a drink, sauna and steam room; Sky Lagoon: the seven-step ritual with sauna, cold plunge and body scrub), and crowd control through timed entry. A city pool gives you geothermal hot tubs, a lap pool and often a sauna or steam room for ISK 1,500, with locals rather than tour groups. Our Reykjavík city pools guide covers which pool has what.

A plain way to decide: if you want the ritual or the landscape, one lagoon is worth budgeting for. If you want to soak in hot water most days of a trip, the city pools are the rational choice, and a lagoon becomes a single-day splurge rather than the plan.

Objection 3: “I only have a few hours, or a layover. Does the comparison still hold?”

Time changes the answer more than preference does. Two published facts matter. Blue Lagoon says guests typically spend two hours in the water and about four hours on site; its access road is Grindavíkurvegur (road 43) on the Reykjanes peninsula, and its transport partner runs coaches from both Keflavík airport and Reykjavík. Sky Lagoon describes itself as “just minutes from downtown Reykjavík” and recommends 1.5–2 hours.

• Layover or arrival/departure day: Blue Lagoon, because it sits between the airport and the city and sells airport transfers directly. Build in the venue’s own four-hour estimate plus the coach, and check your booked time slot against your flight; Blue Lagoon publishes a separate article on what happens if you miss it.
• A half-day from a Reykjavík hotel: Sky Lagoon. Shorter recommended stay, no long drive, no transfer to book.
• Under three hours total, including travel: neither is a comfortable fit. A city pool is open the same day, needs no booking and costs ISK 1,500.
• Children with you: the time question is moot for under-12s; Sky Lagoon does not admit them, so it is Blue Lagoon (from age two) or a city pool (free under 10 with a guardian).

Neither venue publishes a drive time in minutes on the pages we checked, so we have not quoted one; use a map app on the day, because road 43 has had closures in recent years and the Blue Lagoon page itself warns that some navigation apps show outdated routes.

Frequently asked questions

Which is better, Blue Lagoon or Sky Lagoon?
It depends on who is going. Sky Lagoon admits no one under 12 and includes a seven-step sauna and cold-plunge ritual; Blue Lagoon admits children from two and is near Keflavík airport rather than in Reykjavík.

Is Sky Lagoon deeper than Blue Lagoon?
No. Sky Lagoon is 120 cm at its deepest; Blue Lagoon is 90-145 cm.

Which is warmer?
They publish similar ranges: Blue Lagoon generally 37-40°C, Sky Lagoon approximately 38-40°C.

Do I need a robe at Sky Lagoon?
Sky Lagoon does not offer robes or slippers, because the lagoon is reached directly from the changing rooms. Towels are free for all guests.

How long should I spend at each?
Sky Lagoon recommends 1.5-2 hours. Blue Lagoon says guests typically spend two hours in the water and about four hours on site in total.

Sources and verification

• Blue Lagoon — Day visit and packages
• Blue Lagoon — How warm is the Blue Lagoon
• Blue Lagoon — Average length of visit
• Blue Lagoon — Children
• Blue Lagoon — Safety standards
• Sky Lagoon — FAQ
• Sky Lagoon — Skjól ritual

Last verified: 27 September 2026.

We have not visited these venues for this article. Every rule above is quoted from the venue’s own published guest information, rules or terms, checked on 27 September 2026; rules and prices change, so check the venue’s page before you go. Some links on this page are affiliate links to Viator: if you book through them we may earn a commission, at no extra cost to you. We chose the listings because they match the venue discussed, not because of the commission.