How Much Does The Secret Lagoon Cost?
The full price of visiting Secret Lagoon in Fludir: the adult admission, what the ticket includes, towel and swimsuit rental, and how the cost compares to Blue Lagoon, Sky Lagoon and the rest.
How Much Does The Secret Lagoon Cost?
An adult ticket to the Secret Lagoon in Fludir costs 4,500 ISK for visitors aged 15 and over, as published on the venue's own site. Seniors aged 67 and over and visitors with disabilities pay 3,300 ISK with valid ID. The booked ticket on our roster starts from $35, which makes it the cheapest lagoon admission we track anywhere in Iceland.
That headline number is the venue's own published price, not a converted estimate, and it is worth being precise about what it buys. The Secret Lagoon, known locally as Gamla Laugin, is a single natural pool at Hverahólmi near the village of Flúðir in south Iceland. The venue says the pool water flows continuously and fully replaces itself in 24 hours, and that it stays at 38 to 40 degrees Celsius all year. You are paying for one thing done simply: a warm historic pool in a geothermal field, without a swim-up bar, a seven-step ritual or a glass-walled changing village.

The price also has to be read against the season you visit in. Winter season runs from 1 October to 31 May, when the lagoon is open daily from 10:00 to 19:00, with reduced hours of 10:00 to 18:00 on 24 and 31 December. Summer season runs from 1 June to 30 September, open daily from 10:00 to 20:00. The admission price does not change between the seasons as published; what changes is how much daylight and how much company you get.
There is a third framing worth holding in mind before you compare prices with anyone. The venue describes itself as the oldest swimming pool in Iceland, made in 1891, and that claim is the venue's own. Whether or not the superlative settles anything, the pool's age is the reason it looks and feels different from the purpose-built spas of the last decade: the basin sits in the ground where bathers have soaked for well over a century, and the money you pay goes towards maintaining that rather than towards marble and mood lighting. For many visitors that is the entire appeal, and it is the reason the price gap to the big lagoons does not feel like a quality gap.
If you are building a budget for a Golden Circle day, this is the anchor number. Everything else on this page either adds to it (rentals, a drink, transport) or compares it against the other lagoons you might choose instead. Our full Secret Lagoon visitor guide covers the pool's history and facilities in detail; this page sticks to money.
What The Admission Price Includes, And What Costs Extra
The 4,500 ISK adult admission covers entry to the pool and the surrounding geothermal area for the day's opening hours. It does not include a towel, a swimsuit, food or guided anything. Swimsuit rental is 1,200 ISK and towel rental is 1,200 ISK, both published by the venue, so a visitor arriving empty-handed pays the admission plus two rental fees.
The Secret Lagoon is deliberately spartan compared with the big spa lagoons, and the price list reflects that. There is no tiered admission, no premium package and no ritual pass. One ticket, one pool. What you rent or buy on top of it is itemised plainly on the venue's own homepage, and the honest way to plan is to treat the rentals as part of the real price if you are not carrying your own kit.
| Item | Published price | Included in admission? |
|---|---|---|
| Adult admission (15+) | 4,500 ISK | Yes, this is the ticket |
| Senior (67+) / disabled admission | 3,300 ISK with valid ID | Yes, discounted ticket |
| Swimsuit rental | 1,200 ISK | No, extra |
| Towel rental | 1,200 ISK | No, extra |
| Multi-pass | From 36,000 ISK, valid 1 year | Separate product |
| Children (14 and under) | Published on the venue's own page | Accompanied, max 3 per parent |
On children: the venue does publish a child price, but the figure on its page is inconsistent with every other number there, and we will not reprint a number we cannot stand behind. The family pricing is on the venue's own page, and that is the right place to check it before you travel. What we can state is the venue's ratio rule, that a maximum of three children may accompany one parent.
One cost that genuinely is zero: the shower. Like every Icelandic bathing facility, the Secret Lagoon requires guests to wash thoroughly without a swimsuit before entering, and that requirement comes from Icelandic health regulation, not from the venue's preference. The regulation in question, number 814/2010 on hygiene at swimming and bathing facilities, requires bathing venues to provide mild liquid soap and to display the washing instructions, which is why the rule feels identical at a village pool and at a luxury spa alike. The Secret Lagoon's page does not itemise its toiletries beyond that, so pack your own small bottle if that matters to you.
A note on the multi-pass, because it is the one line in the table that surprises people. At from 36,000 ISK and valid for one year, it only makes financial sense for someone who will bathe at Gamla Laugin repeatedly, which in practice means locals, seasonal workers and long-stay visitors. A tourist visiting once should ignore it entirely. Gift cards from 4,500 ISK, also valid a year, are the more relevant option if you are booking for someone else.

How The Price Compares To Iceland's Famous Lagoons
Against the roster of lagoons we track, the Secret Lagoon's from-$35 ticket is the cheapest adult admission in the country. Fontana at Laugarvatn starts from $47, Krauma from $50, Sky Lagoon from $117 and Blue Lagoon from $146. The gap between the cheapest and the most famous option is more than four times the price.
That comparison needs context, because the products are not the same. The Blue Lagoon Comfort admission includes a towel, a silica mud mask, a drink and unlimited access to sauna and steam areas; the Secret Lagoon ticket includes the pool and the geothermal field around it, and little else. Sky Lagoon's pass builds a full seven-step ritual into the price. You are not paying four times more for the same water; you are paying for infrastructure, inclusions and brand.
| Lagoon | Ticket from (listing price) | Rating on the listing | Published duration |
|---|---|---|---|
| Secret Lagoon | $35 | 4.7 from 2,124 reviews | Valid 1 day |
| Fontana, Laugarvatn | $47 | 4.2 from 167 reviews | 2 hours |
| Krauma, Deildartunguhver | $50 | 4.6 from 219 reviews | 4 hours |
| Hvammsvík | $84 | 4.8 from 313 reviews | 1h 30m |
| Sky Lagoon | $117 | 4.8 from 7,654 reviews | Valid 1 day |
| Blue Lagoon | $146 | 4.6 from 6,220 reviews | Valid 1 day |
Cost per hour tells a slightly different story where a duration is published. Krauma's four-hour admission at $50 buys the longest published window of the three cheaper lagoons. Fontana's two-hour ticket at $47 is dearer than the Secret Lagoon's day admission while covering a shorter defined period. The Secret Lagoon publishes no time limit on its day ticket, so an honest cost-per-hour figure cannot be calculated for it, and we will not invent one. What the venue does publish is that guests are welcome within opening hours, which run to seven hours in winter and ten in summer.
The value question also depends on what you would otherwise spend. If your alternative is a second famous-lagoon ticket at three or four times the price, the Secret Lagoon is straightforwardly the budget choice, and our piece on Iceland lagoons on a budget works through the full cheap-end roster. If your alternative is a free municipal pool, note that Blue Lagoon itself characterises typical local sundlaug entry at around 1,300 ISK in its own comparison of the two worlds, a figure worth attributing to them rather than to us.

For a like-for-like mid-range comparison, Krauma is the most interesting benchmark. Its ticket is roughly a third dearer than the Secret Lagoon's on the listing, buys a four-hour window and five hot baths plus a cold plunge, and sits beside Deildartunguhver, which Krauma describes as having the highest flow rate of hot springs in Europe at 180 litres of 100°C water per second. Fontana, meanwhile, is the closest competitor geographically, on the same Golden Circle corridor, with lakeside steam baths and a published two-hour ticket; its current bath prices are on the venue's own hours-and-prices page.
There is also a ratings story in the table that a price column alone hides. The Secret Lagoon's 4.7 across 2,124 reviews sits above Blue Lagoon's 4.6 across 6,220 and level with several dearer venues, which suggests visitors judge it against what it promises rather than against the spa palaces. Fontana's 4.2 from 167 reviews is the lowest rating on our roster, and we state that plainly rather than burying it: the cheapest and the second-cheapest Golden Circle lagoons deliver very different satisfaction levels per króna, and the small price gap between them is not the whole decision.
How Long Do You Need At Secret Lagoon?
The venue publishes no recommended visit length, so there is no official figure to quote. The pool is open for up to seven hours in winter and ten in summer, and the practical answer most visitors land on is one to two hours in the water, plus time to shower before and change after. There is no timed exit.
What makes the honest answer awkward is that everything time-related at this venue is either an opening hour or nothing at all. Unlike Forest Lagoon, which publishes a recommendation that guests do not stay longer than two hours, or Fontana, which sells a defined two-hour ticket, the Secret Lagoon sells a day admission within opening hours and leaves the duration to you. The water is a steady 38 to 40 degrees, and most people find an hour to ninety minutes of continuous hot soaking is plenty before a break.
The geothermal field around the pool rewards a slower visit. Hverahólmi's small vents and bubbling springs sit beside the pool, and the venue's own history notes that bathing here is an old tradition, with the pool made in 1891 and the first swimming lessons in Iceland held on this spot in 1909. If you treat the surroundings as part of the ticket rather than a queue to endure, the effective value of the 4,500 ISK rises considerably.
Practical timing matters more than duration. The last stretch of the winter day, towards the 19:00 close, and the tail of the summer day towards 20:00 tend to be the slots people aim for, though the venue publishes nothing about which times are quietest and neither will we. What is verifiable: pre-booking is highly recommended by the venue, which states plainly that it cannot guarantee a spot to unbooked visitors. Booking a slot fixes your arrival window; it does not limit your stay.
Weather changes the arithmetic too, in a way no price list captures. On a wet, windy south-Iceland afternoon the pool is every bit as warm but the walk between changing room and water feels longer, and visits naturally compress. On a still evening the same 4,500 ISK buys a slow soak under a sky that, between September and April, is the sky Business Iceland's official aurora guidance describes as treating Icelanders to the northern lights display, with no guarantees attached to any given night. We make no promise about what you will see from the water, only that the official season runs September to April and that sightings improve away from light pollution.

Cheaper And Dearer Ways To Buy The Same Water
A second-platform skip-the-line entrance ticket for the Secret Lagoon is listed from $27.34, rated 4.5 from 389 reviews, which is below the venue's own booked ticket price on our roster. At the other end, a full Golden Circle day tour including Secret Lagoon admission runs from $134 over about 10 hours, rated 4.8 from 6,447 reviews, the highest review count on our entire roster.
The skip-the-line ticket is the one genuinely cheaper route to the same pool, and it is worth knowing it exists before you pay full price. It is the same water, the same pool, the same opening hours. What you are choosing between is the venue's own admission channel and a reseller's, and the price difference between them is real but small in absolute terms. Neither route includes a towel or a swimsuit; the 1,200 ISK rentals apply either way.
The day tour is the opposite calculation. At roughly four times the solo ticket price, the Golden Circle, Kerid and Secret Lagoon tour from $134 is not a cheaper way to bathe; it is a way to fold the lagoon into a full day of Thingvellir, Geysir, Gullfoss and Kerid with transport and a guide included. For visitors without a car, that bundle can beat the true cost of a rental car plus fuel plus separate admissions, which is exactly the arithmetic our Iceland lagoon ticket prices compared guide works through across the whole roster.
A second version of the same day tour exists on another platform from $111.35, rated 4.9 from 2,084 reviews, so even within the bundle category there is a spread worth checking before you book. The differences between these listings are usually in pickup points, group size and cancellation terms rather than in the lagoon itself, and the Secret Lagoon portion of the day is identical whichever you choose. Read the inclusions on the live listing carefully, because a tour that merely stops at Flúðir is not the same product as one that includes your admission.
Two smaller costs finish the picture. Transport: the Secret Lagoon publishes no shuttle of its own, and we found no own-transport claim for it, so budget for a self-drive, a tour bus or a taxi from Flúðir. And payment: the venue's booking page states it accepts ISK, USD and EUR cash as well as most cards, an unusually flexible policy for rural Iceland, so the cash question is less fraught here than at, say, Forest Lagoon, which accepts Icelandic currency only. For everything else, the live listing carries the current terms, and Lagoons in Iceland keeps the roster prices on this site refreshed against the operators' own pages.
Common Questions About Secret Lagoon Costs
How Much Does The Secret Lagoon Cost?
An adult ticket costs 4,500 ISK for visitors aged 15 and over, with seniors aged 67 and over and visitors with disabilities paying 3,300 ISK on presentation of valid ID. The booked ticket on our roster starts from $35. Swimsuit and towel rental add 1,200 ISK each if you do not bring your own.
How long do you need at Secret Lagoon?
The venue publishes no recommended visit length. The pool is open up to seven hours in winter and ten in summer, and there is no timed exit, so one to two hours in the water plus showering and changing time is a practical plan.
Is the Secret Lagoon the cheapest lagoon in Iceland?
On our roster of fourteen lagoon tickets, yes. Its from-$35 admission is the lowest adult ticket we track, ahead of Fontana at $47 and Krauma at $50, and far below Sky Lagoon at $117 and Blue Lagoon at $146.
Does the Secret Lagoon ticket include a towel?
No. Towel rental costs 1,200 ISK and swimsuit rental costs 1,200 ISK, both published by the venue. Bringing your own avoids both rental fees against the walk-in total.
What is the child price at the Secret Lagoon?
The venue publishes a child price on its own page, but the figure shown there is inconsistent with every other price on the same page, so we do not reprint it. Check the venue's own site for family pricing, and note the rule of a maximum of three children per accompanying parent.
Can you pay by card at the Secret Lagoon?
Yes. The venue's booking page states it accepts ISK, USD and EUR cash and most cards, and reservations can be paid online or on arrival.