Hot springs and pools in Iceland

Bathing isn't a tourist activity in Iceland; it's the social fabric. The country has more public swimming pools per capita than just about anywhere on earth, and even the smallest village has at least one geothermally heated pool. For travelers, this means three different experiences are available, and they're very different in cost, atmosphere, and what you actually do.

The three categories

• Spa lagoons — the high-end experience. Blue Lagoon, Sky Lagoon, Mývatn Nature Baths, Krauma. Mineral-rich water, swim-up bars, designed architecture, expensive (8,000–14,000 ISK).
• Wild and natural hot springs — free or token-cost. Reykjadalur, Hrunalaug, Seljavallalaug, Landmannalaugar. Often a hike away. No facilities; bring everything.
• Municipal swimming pools — what locals actually use. Every town has one. Usually 1,200–1,500 ISK, includes hot tubs (heitir pottar), steam rooms, lap lanes. The most authentic Icelandic experience on this list.

Pool etiquette (this is non-negotiable)

Icelandic pools work because of strict hygiene rules. Locals will absolutely call you out for breaking them. Before entering any pool or lagoon:

1. Remove all clothes (including swimsuit) in the changing room.
2. Shower naked, with soap, in the communal showers. Wash specifically the marked areas: head, armpits, feet, and groin. Diagrams on the walls show this.
3. Put on your swimsuit only after the shower.
4. After swimming, shower again before getting dressed.

This is foreign to many travelers and the single biggest cultural friction point at Icelandic pools. Just do it; nobody is staring at you, everyone is doing the same thing.

Spa lagoons

Blue Lagoon — 8,000+ ISK — 20 min from Keflavík airport

The most famous, most expensive, and most architectural of Iceland's lagoons. Booking is mandatory; same-day slots are rarely available in summer. The water is genuinely unique — milky-blue and mineral-heavy from the adjacent geothermal power plant. Many travelers visit straight from the airport on arrival or before departure.

Sky Lagoon — 7,000–13,000 ISK — Kópavogur, 15 min from Reykjavík

Newer, closer to Reykjavík, with an infinity pool that drops into ocean views. The 7-step 'ritual' (sauna, cold plunge, steam, etc.) is included with most tickets and worth the upgrade. Less crowded than Blue Lagoon at most hours.

Mývatn Nature Baths — 6,000+ ISK — Northern Iceland, near Lake Mývatn

The North's answer to Blue Lagoon — same milky-blue mineral water, smaller crowds, half the price. Steam rooms vent live geothermal steam from a fissure beneath the building. The right call if you're anywhere in the north.

Krauma at Deildartunguhver — 5,500 ISK — Borgarfjörður, ~1 hr from Reykjavík

Built next to Europe's most powerful hot spring. Mixed pools at varying temperatures, plus a cold tub fed by glacial meltwater. Good combine with Hraunfossar.

Hvammsvík Tidal Pools — 6,500+ ISK — Hvalfjörður, 45 min from Reykjavík

Eight pools at the edge of a quiet fjord, with two affected by the tide. Natural setting, calmer atmosphere than Blue or Sky.

Laugarvatn Fontana — 5,500 ISK — On the Golden Circle

Pools, steam rooms, and a lake plunge on the shore of Lake Laugarvatn. They bake rye bread in the hot ground; you can join a daily 'bread tour' to dig some up.

Wild and free hot springs

Reykjadalur Hot Spring River — Free — 45 min from Reykjavík + 45 min hike

A geothermal river you bathe in. The trail climbs 200m through steaming hills; bring waterproof shoes. Wooden boardwalks designate the bathing zone. Probably the most popular wild hot spring in Iceland.

Seljavallalaug — Free — South Coast, near Skógafoss

A 25m pool built into the side of a valley in 1923, fed by hot springs. The water is lukewarm and the pool isn't cleaned often — atmospheric rather than relaxing — but the setting is unbeatable.

Hrunalaug — Small parking fee — Near Flúðir, just off the Golden Circle

Three small natural-feel pools by an old shepherd's hut. Quiet, hot, and a few minutes off the main road. Easy add-on to a Golden Circle day.

Landmannalaugar — Free (highland access required) — In the highlands

The classic — a hot bathing river ringed by rhyolite mountains. Highland-only, accessible mid-July to early September, requires a 4x4 or the highland bus.

Hellulaug — Free — Westfjords

A small natural pool a few meters from the sea. Atmospheric, often empty, classic Westfjords.

Municipal pools (the locals' choice)

Every Icelandic town has a public pool, and they're where social life happens outside the bars. Heated pools, lap lanes, hot pots at varying temperatures, sometimes steam rooms and kids' slides. Costs are low (~1,200–1,500 ISK).

In Reykjavík specifically, the standouts are:

• Laugardalslaug — the largest, with a 50m outdoor pool, multiple hot pots, water slide, and steam baths.
• Sundhöllin — the city's oldest pool, in a striking 1937 functionalist building near Hallgrímskirkja.
• Vesturbæjarlaug — the neighborhood pool, beloved by locals.
• Nautólsvík — a geothermally heated beach (yes, really) where they pump warm water into a lagoon next to the ocean. Free. Summers especially.

Practical tips

• Bring a microfiber towel. Even spa lagoons don't always include one, and wild springs definitely don't.
• Cash isn't needed anywhere. Cards work everywhere, including most parking honor-boxes at wild springs.
• Don't bring valuables. Lockers exist at spa lagoons but not at wild springs. Hide phones and keys somewhere out of sight.
• Test the water before you commit. Some wild springs are scalding; some are tepid. Most municipal pools have signs showing the temperature of each pot.
• Book spa lagoons ahead. Same-day availability for Blue Lagoon and Sky Lagoon is rare.