experience
Blue Lagoon
Iceland's most iconic geothermal experience: milky-blue water at 37-40 °C rich in silica and minerals, white-clay masks, in-water bars and a lunar lava-field setting — all 20 minutes from Keflavík airport.
The Blue Lagoon (Bláa lónið) is probably Iceland's most famous experience and one of the most iconic wellness destinations on the planet. The lagoon, about 8,700 m² and 1.5 m average depth, lies in the middle of a black lava field on the Reykjanes peninsula, 20 minutes from Keflavík International Airport and 45 minutes from Reykjavik. It is the first or last stop of almost every traveller in Iceland.
What makes the Blue Lagoon unique is not the hot water (Iceland has plenty) but its striking milky-blue colour — the result of high concentrations of silica, blue-green algae and mineral salts. The water, at 37-40 °C year-round, comes from the neighbouring Svartsengi geothermal power plant: it is pumped from 2,000 m underground beneath the volcanic crust, used to produce electricity and hot water for the region, then released into what was originally a technical pool. Visitors began bathing here in the 1980s for the dermatological virtues of silica (reputed to help with psoriasis), and the tourist complex has been developed progressively since 1992 — today a site visited by 1.3 million people a year.
The complex includes the main lagoon (37-40 °C, free access to all zones), an in-water bar (cocktails, juices, beer, max 3 drinks per person), white-clay masks (silica mask free with Comfort package, added to a hydrating mask with Premium), a stone sauna, a steam bath and a waterfall for shoulder massage. The LAVA restaurant (gastronomic new Nordic at the foot of a black lava wall) serves the best dinner in the complex (€90-150/person). For an even more exclusive experience, the Retreat at Blue Lagoon (5-star hotel with private lagoon, €600-1,200/night) offers separate public access and a luxury spa (Retreat Spa, €300/signature ritual session).
Booking is mandatory and exclusively online at bluelagoon.com. The most convenient slots (morning and late afternoon) routinely sell out 2 to 4 weeks ahead in high season. Packages range from Comfort (entry, robe, towel, silica mask, 1 drink, €80-100) to Premium (entry, robe, towel, 2 masks, 2 drinks, reserved table at LAVA, €130-150) to Signature (Retreat Spa access, 4-hour session, €300-500). Plan 2 to 3 hours on site for the full experience.
What we love
- ✅Iconic geothermal experience: milky-blue water at 37-40 °C, lunar black-lava setting
- ✅20 min from Keflavík airport: ideal on arrival or departure to erase jet lag
- ✅Dermatological virtues: silica and blue-green algae beneficial for skin (clinically studied)
- ✅In-water bar, clay masks, sauna, steam bath: complete wellness experience
- ✅Possibility of Northern Lights from the lagoon in winter on clear nights
What to know
- ❌High prices: €80-150/person entry only, excluding dining
- ❌Very touristy: 1.3 million visitors/year, areas sometimes crowded in mid-day
- ❌Mandatory booking 2-4 weeks ahead in high season
- ❌Risk of temporary closure during active volcanic eruption nearby (Reykjanes 2021-2024)
Situation
Où se situe Blue Lagoon ?
Ouvrir la carte en grand sur OpenStreetMap →Frequently asked questions
Which Blue Lagoon package should I choose?+
Do I really need to book the Blue Lagoon in advance?+
How do you get to the Blue Lagoon?+
Should I bring my own towel?+
Is the Blue Lagoon water really beneficial for skin?+
Is the Blue Lagoon worth its high price?+
Our verdict
The Blue Lagoon is a must-do experience at least once — for the iconic photo, for the dermatological virtues, for the wellness moment before or after a long flight. But it is not the most authentic geothermal experience in Iceland: if you want a more intimate and far cheaper setting, head instead to Sky Lagoon (Reykjavik, €60-100), Mývatn Nature Baths (north, €50-60), Secret Lagoon at Flúðir (€30) or the sundlaugar (public pools) of every Icelandic village (€8-12). Our tip for Blue Lagoon: book the slot just after your Keflavík arrival or just before your return flight, choose the Comfort package (the optimal price-quality ratio), arrive early (8am-10am slot less crowded) and plan 2-3 hours on site.
Nearby
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Expert on Blue Lagoon · 1 contributions
Mediterranean Desk — Mowando·Editor