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The Secret Lagoon, or Gamla laugin, is Iceland's oldest swimming pool, a simple geothermal pool in Flúðir on the Golden Circle route. It has fewer facilities than the larger lagoons but a more relaxed, local feel, and it is easy to combine with a Golden Circle day tour.
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6-day packageSmall groupGolden Circle · South Coast6-Day Iceland Family Vacation PackageNo minimum age: Golden Circle, Secret Lagoon, South Coast, ReykjanesFrom, per person76,880 ISKSee dates
Day tourLarge groupGolden CircleGolden Circle & Secret LagoonFrom, per person15,990 ISKSee dates
8-day tourSmall groupHighlands · South Coast8 Day Grand Laugavegur Trek & Iceland’s HighlightsMountain HutsFrom, per person429,990 ISKSee dates
Day tourSmall groupGolden CircleGolden Circle & Secret Lagoon TourFamily Friendly & Small GroupsFrom, per person20,300 ISKSee dates
Day tourSmall groupGolden CircleGolden Circle, Secret Lagoon, Kerið & Northern LightsFrom, per person30,990 ISKSee datesTry removing a filter, or ask a local and we will find the right trip for you.
The pool itself sits at a natural geothermal temperature, warmer than a typical swimming pool, with a small geyser bubbling nearby.
Facilities include basic changing rooms and a small cafe, simpler than the Blue Lagoon or Sky Lagoon but enough for a comfortable visit.
It sits directly on the Golden Circle route, so it fits easily as a stop alongside Þingvellir, Geysir and Gullfoss.
Bring your own towel unless your ticket includes rental.
It is smaller, simpler and with fewer facilities, but also quieter and often more affordable, with a more local feel.
Yes, it sits in Flúðir, close enough to combine easily with a Golden Circle day tour.
It is recommended, especially in summer, though it is generally less crowded than the larger lagoons.
Check your specific ticket, rental is sometimes available but not always included.
Yes, the geothermal water stays warm through all seasons.