Blue Lagoon Tours & Tickets

The Blue Lagoon's striking turquoise water is a byproduct of geothermal power generation—the lagoon was created accidentally when seawater mixed with hot springs near the Svartsengi geothermal plant starting in the 1970s.

The lagoon's milky blue color comes from silica and minerals dissolved in the geothermal water, which also give the water its famous skin-softening properties rich in salt and algae.

The water temperature naturally maintains around 37–39°C (98–102°F) year-round, making it one of Iceland's few geothermal pools swimmable in winter.

The Blue Lagoon sits on the Reykjanes Peninsula in a lava field, and the surrounding landscape is a UNESCO Global Geopark featuring dramatic volcanic terrain.

Bathing in the lagoon's mineral-rich water is said to benefit skin conditions like psoriasis, a claim supported by dermatological studies and Icelandic wellness traditions.

The site attracts over 700,000 visitors annually, making it Iceland's most visited tourist attraction.