Reviewed · SECRET LAGOON TOURS

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz

★ 5.0 · 4 reviews 8 hours 45 minutes (approx.) Operated by Diamond Tours Iceland · Bookable on Viator
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The best part of this Golden Circle day is the private Mercedes-Benz. You skip the packed coach and leave the driving to guide Orn, who handles the roads while you watch Iceland’s changing scenery. The route covers the country’s big sights, but it also adds Friðheimar’s tomato greenhouse and a soak at the Secret Lagoon.

I like the small-group comfort and the sensible mix of nature, food, geology, and bathing. I also like that the pace can feel human rather than mechanical, with enough time at Þingvellir and the waterfall, plus patience when you want to take in a view. The main drawback is the price: at $1,775.21 for up to five people, it makes the most sense for a full group.

Key points

  • Private Mercedes-Benz transport: Your group of up to five has the vehicle to itself, with bottled water and hotel pickup included.
  • Six varied stops: Þingvellir, Friðheimar, Geysir, Gullfoss, the Secret Lagoon, and Kerið give you a broad taste of southwest Iceland.
  • A strong guide-led day: Orn provides the guiding, driving, route planning, and local context.
  • Friðheimar adds something different: Lunch among tomato plants makes a pleasant change from a standard roadside stop, though food costs extra.
  • Secret Lagoon included: Your admission covers time at Iceland’s oldest swimming pool, with steam rising from nearby hot vents.
  • Best value for four or five people: The group price works out far better when shared.

Why this private Golden Circle day works

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Why this private Golden Circle day works

The Golden Circle is Iceland’s most familiar day route for good reason. It links a national park, a geothermal area, a major waterfall, and several smaller sights within a manageable distance of Reykjavik. The trouble is that the route can feel crowded when you are tied to a large coach and a fixed timetable.

This private tour changes the tone. You are picked up at your hotel in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, or Mosfellsbær, then spend the day with only your own party. The vehicle is a new luxury Mercedes-Benz, and bottled water is provided.

Guide Orn has earned particular praise for his calm service, route knowledge, and attention to timing. He can meet you at the agreed pickup point, keep the day moving, and return you to the front of your hotel. One useful touch is the clear itinerary and name display on the vehicle, which makes the pickup easy to identify.

The full outing lasts about 8 hours and 45 minutes. That is a long day, but the route has enough variety to prevent it from becoming a string of similar viewpoints. You get history at Þingvellir, greenhouse farming at Friðheimar, erupting water at Geysir, a waterfall at Gullfoss, a warm soak, and a volcanic crater.

More soaks at the Secret Lagoon:

Þingvellir: tectonic plates and the birth of Iceland

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Þingvellir: tectonic plates and the birth of Iceland

Your first major stop is Þingvellir National Park, usually written Þingvellir in Icelandic. Allow about 1 hour and 30 minutes here, which is welcome because this is more than a quick photo stop.

The park sits along the Mid-Atlantic Ridge, between the North American and Eurasian tectonic plates. You can walk through an area shaped by the movement of those plates, with cracks and open ground marking the forces beneath Iceland. The setting makes geology feel visible rather than something you only read about on a sign.

Þingvellir also carries great national importance. In 930 AD, Icelanders formed a parliament here, making it one of the world’s earliest examples of a democratically elected assembly. The place is therefore both a geological site and a political one.

I like the way this stop gives the day a strong opening. You are not just looking at pretty scenery. You are seeing the setting where Iceland’s national story began, while also getting an introduction to the island’s restless geology.

Wear shoes suited to walking, since the stop involves more than stepping from a vehicle to a lookout. The exact walking conditions can vary with weather, and Iceland can be wet, windy, or slippery even during a pleasant-looking day.

Friðheimar: lunch inside a working tomato greenhouse

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Friðheimar: lunch inside a working tomato greenhouse

Friðheimar gives the tour a welcome change of pace. Instead of another open-air viewpoint, you visit an eco-area where vegetables are grown with geothermal heat. The greenhouse produces four varieties of tomatoes, and the dining area is set among the plants.

The menu centers on tomatoes in several forms. This is a distinctive food stop, not simply a place to buy a sandwich before getting back on the road. Eating among the greenhouse plants connects the meal to the way Iceland uses its natural heat for food production.

Lunch is not included in the tour price, so plan for that extra cost. Alcoholic drinks are also excluded. Since the stop lasts about an hour, you have time to eat rather than rush through a quick purchase.

I see Friðheimar as one of the day’s most useful additions. The major Golden Circle sights are famous, but they can begin to feel alike if your day is only waterfalls and hot springs. Here, you get a look at modern Icelandic farming and a meal tied to the place itself.

Geysir: watch Strokkur fire into the air

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Geysir: watch Strokkur fire into the air

The Geysir geothermal area is compact but dramatic. Its best-known active feature is Strokkur, which sends hot water more than 25 meters into the air. The eruption timing can vary, so you may wait a little before the next burst.

Give yourself room to watch rather than treating the area as a quick stop. The steam, bubbling ground, and smell of geothermal water make this different from the cleaner, quieter scenery at Þingvellir.

The visit lasts about 35 minutes, and admission is included. That is enough time to see Strokkur erupt and walk around the geothermal area, though you will not have hours to explore every path.

Follow the marked routes and keep away from the hot ground. This is one part of Iceland where a careless step can have serious consequences. The tour makes it easy because your guide can point out where to stand and how to get the best view without straying into unsafe areas.

A few more Golden Circle days worth weighing up

Gullfoss: Iceland’s big waterfall moment

Gullfoss is the visual centerpiece of the day. The Hvítá River drops in two stages into a deep gorge, creating a wide, forceful waterfall that feels much larger in person than in photographs.

You have about 45 minutes here, with admission included. That gives you time to reach the main viewing areas, take photographs, and watch the water push through the canyon. Wind and spray can be part of the experience, so keep a waterproof layer handy.

Gullfoss is popular, but the private vehicle still helps. You are not waiting for a large busload to assemble before moving on, and Orn can help keep the stop comfortable rather than rushed. A flexible guide matters at a place like this because the best view may depend on weather and crowd movement.

This is also the stop where practical clothing makes the biggest difference. A warm outer layer and sturdy shoes will make it easier to enjoy the waterfall instead of concentrating on the cold or wet.

Secret Lagoon: a slower hour in the hot water

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Secret Lagoon: a slower hour in the hot water

After the waterfall and geothermal area, the Secret Lagoon offers a change from sightseeing to rest. It is Iceland’s oldest swimming pool, and steaming vents around the water create the atmosphere.

Admission is included, which improves the value of the tour. The Secret Lagoon is also presented as a less expensive alternative to the Blue Lagoon, making it a sensible choice if you want a geothermal bathing experience without paying for a more elaborate spa setting.

You get about one hour here. That is enough for a proper soak, though it is not an all-day spa visit. The point is to warm up, relax, and let the day’s driving and walking settle before the final stop.

Bring the items you normally need for bathing if they are not otherwise provided, since the tour information confirms admission but does not list personal bathing supplies. The setting is atmospheric, but you should choose this stop for the hot water and simple character rather than luxury spa services.

The timing works well. Placing the lagoon after Geysir and Gullfoss gives you a break before the last viewpoint. It also makes the day feel less like a checklist of attractions.

Kerið crater: a final burst of volcanic color

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Kerið crater: a final burst of volcanic color

The last stop is Kerið, a volcanic crater lake formed about 6,500 years ago. It lies at the northern end of a row of craters known as Tjarnarhólar.

The visit lasts about 20 minutes, with admission included. That is a short stop, but Kerið does not require a full hour to appreciate. The red volcanic sides and water-filled center create a sharp contrast with the pale geothermal ground and powerful river at earlier stops.

You will have time for photographs and a look around the crater rim. If you have limited mobility, ask Orn about the walking involved before setting off, since the tour information says most people can participate but does not provide detailed accessibility notes.

Kerið makes a good ending because it is visually distinct and brief. After a long day, you get one final geological feature without adding another major walk.

What the $1,775.21 group price really buys

The listed cost is $1,775.21 per group of up to five people. Shared five ways, that is about $355 per person. For four people, it is roughly $444 each. For three, about $592 each. With only two people, the cost rises to about $888 per person.

That is not a budget day trip. You are paying for a private vehicle, a professional driver-guide, hotel pickup, bottled water, included entrance fees, and the ability to spend the day with only your own group. You are also avoiding the inconvenience of driving yourself on unfamiliar roads and managing the stops alone.

The price becomes easier to justify when you have four or five people. A private Mercedes-Benz is a meaningful comfort upgrade over a large coach, especially on an 8-hour-45-minute outing. You can also ask questions directly and avoid being tied to the needs of a full bus.

The cost does not cover lunch at Friðheimar or alcoholic beverages. Keep that in mind when comparing the total with other Golden Circle options. The Secret Lagoon, Þingvellir, Geysir, Gullfoss, and Kerið admissions are included, so you do not need to add separate entry fees for those stops.

Who will enjoy this tour most

Golden Circle & Secret Lagoon Luxury Private Tour in a new luxury Mercedes Benz - Who will enjoy this tour most

I would choose this experience for a family, group of friends, or couple that values comfort and privacy more than the lowest possible price. It is also a good fit if you want a single day that combines Iceland’s headline sights with a greenhouse meal and a hot-water soak.

It suits you especially well if:

  • You want to avoid a large coach.
  • You prefer having a guide and driver rather than navigating yourself.
  • You have four or five people to share the cost.
  • You want a polished vehicle for a full day on the road.
  • You like mixing nature, history, food, geology, and bathing.
  • You want hotel pickup in Reykjavik or one of the nearby towns listed.

You may want a different option if your main goal is the lowest price, a long spa visit, or a highly specialized activity such as hiking. The schedule includes several stops, so each place receives a set amount of time rather than a full afternoon.

Practical details before you book

Pickup is available from hotels in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, and Mosfellsbær. The tour is offered in English, and confirmation is provided when you book.

Most people can take part, and the activity is private, meaning only your group participates. Still, the day includes walking at Þingvellir, Gullfoss, Geysir, and Kerið, so bring sensible footwear and clothing suited to Icelandic weather.

You can cancel for a full refund up to 24 hours before the start time. Changes made less than 24 hours before departure are not accepted, and a late cancellation is not refunded. The tour requires good weather. If poor weather forces cancellation, you are offered another date or a full refund.

Should you book this Golden Circle tour?

Book it if you want the Golden Circle with comfort, privacy, and a strong mix of stops, especially if you can fill most of the five seats. Orn’s personal guiding and the Mercedes-Benz make the long day easier, while Friðheimar and the Secret Lagoon keep it from feeling like a simple run between famous viewpoints.

Think twice if the price is your main concern or if you want to spend much longer at any one attraction. For a small group willing to pay for a smoother day, this is a well-rounded way to see southwest Iceland without giving up the freedom and personal attention of a private outing.

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 tour is priced for a private group of up to five people.

Where is pickup available?

Pickup is offered from hotels in Reykjavik, Kópavogur, Garðabær, Hafnarfjörður, and Mosfellsbær.

Is transportation included?

Yes. Private transportation in a new luxury Mercedes-Benz and bottled water are included.

Is lunch included?

No. Lunch at Friðheimar is not included in the tour price.

Which sights are included in the route?

The route includes Þingvellir National Park, Friðheimar, the Geysir geothermal area, Gullfoss waterfall, the Secret Lagoon, and Kerið crater.

Are admission fees included?

Admission is included for Þingvellir, Geysir, Gullfoss, the Secret Lagoon, and Kerið. Friðheimar admission is not included.

What language is the tour offered in?

The tour is offered in English.

What happens if bad weather cancels the tour?

If poor weather causes cancellation, you are offered a different date or a full refund.

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