Review · GEOTHERMAL LAGOON TOURS
Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz
A long Iceland day made easier. This private Golden Circle tour pairs the country’s best-known sights with a comfortable Mercedes-Benz, hotel pickup, and a guide who can shape the pace around your group. I especially like the small private setting and the useful mix of nature, history, food, and bathing.
I also like that the route adds Friðheimar and Kerið instead of stopping only at the standard three Golden Circle sights. The main drawback is the price: at $1,775.21 for up to five people, this makes the most sense for a full group, not a couple watching every krona.
Key points at a glance

- A full 8-hour-45-minute private day covers six major stops without putting you on a large coach.
- Thingvellir combines geology and history, with the Mid-Atlantic Ridge and Iceland’s early parliament in one visit.
- Friðheimar adds a memorable lunch stop, with tomato-based dishes served inside a geothermal greenhouse.
- Secret Lagoon admission is included, giving you a warm bathing break after the sightseeing.
- Guide Orn receives especially warm praise for his care, local knowledge, and polished service.
- The price works best for five people, when the cost comes to about $355 per person before lunch.
Why this private Golden Circle day works

The Golden Circle is easy to reach from Reykjavik, but the standard coach version can feel like a parade of buses moving from one photo stop to the next. This tour takes a different approach. Your group has its own vehicle, your own guide, and more room to enjoy each place at a sensible pace.
The schedule runs about 8 hours and 45 minutes. That is a serious day, but it is well filled rather than padded. You visit Thingvellir National Park, Friðheimar, Geysir, Gullfoss, Secret Lagoon, and Kerið. The order gives you history first, food in the middle, and a hot soak before the final crater stop.
The new luxury Mercedes-Benz is not just a fancy extra. Iceland sightseeing involves a fair amount of road time, and a comfortable vehicle matters when you are out for most of the day. Bottled water, private transportation, taxes, and the listed admission fees are included.
The private format also gives you a little breathing room. You are not waiting for 40 other people to return to the bus, and you can ask questions as the day unfolds. The tour is offered in English, and pickup is available from hotels in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, and Mosfellsbær.
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Thingvellir, where Iceland’s story begins
The first stop is Thingvellir National Park, spelled Þingvellir in Icelandic. You get about 90 minutes here, with admission included.
Thingvellir earns its place on the route for two big reasons. Geologically, it sits along the Mid-Atlantic Ridge, between the North American and Eurasian tectonic plates. Politically, it is where Icelanders formed a parliament in 930 AD. It is often described as one of the earliest democratic parliamentary institutions in the world.
That pairing makes the stop more than a quick look at dramatic rock formations. You can think about Iceland as a country shaped by both its volcanic setting and its public assembly traditions. A good guide can connect those two stories without turning the visit into a lecture.
Ninety minutes is useful here. You have enough time to take in the main area and hear the background without spending half the day on one site. I would begin with comfortable shoes and a waterproof layer, since the tour involves outdoor sightseeing and Icelandic weather can change quickly. The tour requires good weather, and poor conditions can lead to a rescheduled date or full refund.
Friðheimar turns lunch into part of the tour

Friðheimar is one of the most distinctive stops on this route. You spend about an hour in an eco-area where vegetables are grown using geothermal heat. Four varieties of tomatoes are cultivated in the greenhouses, and the meal centers on tomatoes in different forms.
Eating among the plants gives the stop a clear sense of place. This is not simply a roadside restaurant inserted into the schedule. It shows how Iceland’s geothermal energy can support food production in a country with a challenging climate.
Lunch is not included in the tour price, and alcoholic drinks are also excluded. That is worth remembering when you compare the total cost with other Golden Circle options. The hour should be enough for a meal, but you will want to keep an eye on the clock because five more stops remain.
I like the way Friðheimar breaks up the day. Thingvellir, Geysir, and Gullfoss are all major outdoor sights. A sit-down meal among warm greenhouses gives you a chance to recharge before the next stretch of sightseeing.
Geysir and the Strokkur eruption

The Geysir geothermal area gets about 35 minutes. The name Geysir has become part of everyday language, but the active show here is Strokkur, which sends jets of hot water more than 25 meters into the air.
You cannot order an eruption on demand, of course, so this is one place where patience helps. The short stop is designed around seeing the geothermal activity, taking photos, and moving on. It is not meant to be a long walk through the area.
This stop has a simple appeal. You see steam, hot ground, and a burst of water that makes Iceland’s heat beneath the surface visible. Stay aware of marked paths and warnings around geothermal features. The ground can be hot and unstable near active vents.
The 35-minute timing is efficient, though some people may wish for more time if Strokkur is between eruptions when the group arrives. A private guide can make the wait less awkward by explaining what you are seeing and adjusting the pace where possible.
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Gullfoss delivers the day’s biggest view

Gullfoss receives 45 minutes, with admission included. This is the waterfall many people picture when they think of the Golden Circle: broad, powerful, and dropping in two stages into a deep gorge.
The stop is short enough to keep the whole day moving, but long enough for the main viewpoints and photographs. I would keep your rain jacket handy even if the sky looks clear. Water spray and wind can make the viewing area wet.
Gullfoss is also a good test of the private-tour format. On a large coach, you may feel pressure to return to the bus at a fixed time. Here, the group can use the allotted visit more naturally, with the guide helping you judge how much time makes sense.
Do not expect a quiet, empty waterfall. Gullfoss is one of Iceland’s most popular sights. The advantage of this tour is not that it removes other people from the site. It is that you avoid spending the entire day moving as part of a large group.
Secret Lagoon gives the afternoon a warm reset
After the main Golden Circle sights, the tour continues to the Secret Lagoon, also known as Gamla Laugin. One hour is set aside for the visit, and admission is included.
The lagoon is described as Iceland’s oldest swimming pool. It is surrounded by steaming vents, which gives the bathing area a strong geothermal character. This is a simple soaking stop rather than a luxury spa package, and that is part of its appeal.
I like the timing. After outdoor stops at Thingvellir, Geysir, and Gullfoss, a warm bath can make the final part of the day feel less tiring. It also gives the tour a different rhythm from a standard sightseeing loop.
The Secret Lagoon is presented as an alternative to the more expensive Blue Lagoon Spa. That does not mean the two places are identical. The important point is that you get a geothermal bathing experience without adding a separate premium spa visit to the day.
Bring what you need for the bathing portion, though the supplied details do not specify changing-room arrangements or towel policy. Since the stop is limited to one hour, plan to use the time well. If soaking is a major reason for booking, you may find the allotted hour brief. If it is a pleasant break within a wider sightseeing day, the timing should fit nicely.
Kerið ends the route with volcanic color
The final stop is Kerið, a volcanic crater lake formed about 6,500 years ago. It lies at the northern end of a row of craters called Tjarnarhólar. You get about 20 minutes here, and admission is included.
Kerið is a compact stop, but it adds a different type of scenery to the route. Instead of a waterfall, geothermal field, or national park, you see a volcanic crater with a lake in its bowl. The stop works well at the end because it requires less time than the larger sites.
Twenty minutes will not support a long walk around the crater. It is enough for a look, photographs, and a brief explanation from the guide. If you want extended time at each attraction, the schedule may feel brisk. If you want to see a lot in one day without handling the driving, the short visit is a fair trade.
What the Mercedes-Benz and private guide add

The headline comfort feature is the new luxury Mercedes-Benz. You are paying for more than transport from one attraction to the next. You are buying a private day, a professional driver, and a setting where you can talk with your own guide rather than follow a fixed group routine.
That matters on Iceland’s roads. The route includes several stops spread across a long day, and driving yourself would mean managing directions, road conditions, parking, and the clock. Here, you can focus on the views and the people in your group.
Guide Orn receives particularly strong praise for knowing where to take the group, explaining Iceland well, and providing careful personal service. One account also describes a well-prepared pickup with the guest’s name displayed on the vehicle and bottled water ready. Those touches suggest a polished operation, though guide assignments can vary.
The private setup is best for families, couples traveling with friends, or small groups who care about comfort and control. It is also useful if some people in your party want a gentler pace than a large bus allows.
Is $1,775.21 good value?
The headline price is $1,775.21 per group of up to five people. That sounds steep until you divide it among the people sharing the vehicle.
- Five people: about $355 per person
- Four people: about $444 per person
- Three people: about $592 per person
- Two people: about $888 per person
Those figures are before lunch. The price includes private transportation, bottled water, all fees and taxes, and the listed admissions. It does not include the Friðheimar meal or alcoholic drinks.
For five people, the price can be reasonable for a full private day in a luxury vehicle, especially when you value hotel pickup and not having to drive. For two people, it becomes a major splurge. A large group tour will almost certainly cost less, but it will not offer the same privacy or flexibility.
The best value comes when your group fills most of the vehicle and wants a comfortable, organized day. If you are mainly looking for the cheapest way to reach the Golden Circle, this is not the right product. If you want the sights without the stress of driving and bus crowds, the price is easier to defend.
Timing, pickup, and practical points
The tour lasts approximately 8 hours and 45 minutes, so avoid scheduling another major activity immediately afterward. The day includes six stops, lunch, road time, and bathing. It is full, even though the private format makes it feel less hurried.
Pickup is offered from hotels in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, and Mosfellsbær. The information also notes nearby public transportation and says most people can participate. This is a private activity, so only your group joins the tour.
Confirmation is sent at booking. Cancellation is free if you cancel at least 24 hours before the start time. Changes or cancellations inside that window are not accepted for a refund. Since the tour depends on good weather, a cancellation caused by poor conditions brings an alternative date or a full refund.
I would book this for a day when you want the Golden Circle to be the main event. Pack outdoor layers, keep your lunch budget separate, and remember that the lagoon is part of the schedule rather than a long spa visit.
Should you book this tour?
Book it if you want a private, comfortable Golden Circle day and can share the cost with four or five people. The route covers the major sights, adds a thoughtful greenhouse lunch stop, and finishes with a geothermal soak. The praise for Orn, the polished vehicle, and the patient pace are strong reasons to consider it.
Think twice if you are traveling as a couple on a tight budget, or if you want long, unhurried visits at every stop. The schedule is full, lunch costs extra, and the total price is high for a small party.
For a group that values comfort, personal service, and fewer bus crowds, Diamond Tours Iceland offers a well-rounded way to see the Golden Circle in one substantial day.
FAQ
How long does the Golden Circle and Secret Lagoon tour last?
The tour lasts approximately 8 hours and 45 minutes.
How many people can join the private tour?
The price covers a private group of up to five people.
Where does pickup take place?
Pickup is available from hotels in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, and Mosfellsbær.
Is lunch included?
No. Lunch at Friðheimar is not included in the tour price. Alcoholic drinks are also excluded.
Is Secret Lagoon admission included?
Yes. Admission to the Secret Lagoon is included, and the scheduled visit lasts about one hour.
What sights are included in the route?
The tour visits Thingvellir National Park, Friðheimar, the Geysir geothermal area, Gullfoss waterfall, Secret Lagoon, and Kerið crater.
What happens if poor weather cancels the tour?
You will be offered a different date or a full refund if poor weather causes the tour to be canceled.
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