Reviewed · SILFRA SNORKELING & DIVING
Silfra Wetsuit Snorkeling Tour with Underwater Photos – From Reykjavik
Silfra offers something almost absurdly Icelandic: you float in crystal-clear glacial water between two tectonic plates. The reward is not fish or coral. It is the strange feeling of drifting above black lava rock, with visibility that can reach more than 100 meters.
I like the small groups of no more than six, since guides such as Gretar, Dory, Luis, and Edgar can give hands-on help with the gear and stay close in the water. I also like that the price includes Reykjavik pickup, underwater photos, and hot chocolate, useful extras for an activity that would otherwise require more planning.
The catch is simple: this is cold-water snorkeling. Your body can stay warm in the right suit, but your face and hands may feel it, especially in winter. Getting dressed takes time, and a drysuit can feel tight around the neck and wrists.
Key points to know before booking

- Snorkel between tectonic plates: Silfra lies in Thingvellir National Park, in the gap between the North American and Eurasian plates.
- Expect remarkable visibility: The glacial water can offer more than 100 meters of clear sight through lava formations.
- Small groups matter: One guide handles up to six people, allowing for close help with fitting, breathing, and pacing.
- Choose your suit carefully: Wetsuits give you more movement, while drysuits usually offer better warmth but feel bulkier.
- Photos are included: You usually receive about 40 to 100 underwater images for free a few days after the outing.
- Plan for the cold: Bring a swimsuit, towel, warm wool socks, spare clothes, and weatherproof outer layers.
What makes Silfra different from ordinary snorkeling

You do not come to Silfra for tropical color or sea life. You come for the water itself and the geology beneath it.
Silfra is a water-filled fissure in Thingvellir National Park. The water begins as meltwater from the Icelandic glacier Langjökull, then filters through porous lava rock for many years before reaching the fissure. That long filtering process helps create the extraordinary clarity.
The water is clean enough to drink, though I would not make that the main reason to book. The real appeal is the feeling of floating through a clear blue channel surrounded by dark rock. The gentle current carries you forward, so you generally use slow movements rather than strong swimming.
The fissure lies between two tectonic plates. The plates are gradually moving apart, leaving a gap of roughly 6 to 7 kilometers across the broader area. You are not literally holding onto both continents at once, but the setting gives the activity a memorable geological context.
You may see freshwater algae on the rocks and bottom. Small fish are possible, but rare. If you want a busy underwater scene, this is the wrong outing. If you enjoy unusual natural settings, Silfra offers something few other places can match.
More cold-water snorkelling and diving from Reykjavik:
- Silfra: Snorkeling Between Tectonic Plates – Meet on Location
★ 5.0 · 5,001 reviews - Reykjavík: Silfra Fissure Snorkeling between Two Continents
★ 4.7 · 1,712 reviews - Silfra Drysuit Snorkeling with Free Photos – Meet on Location
★ 5.0 · 1,299 reviews
The 45-minute ride from Reykjavik to Thingvellir

The outing begins with pickup at your Reykjavik accommodation or an arranged city stop. During the summer period, from March through October, pickup for the 9:00 tour is scheduled between 7:30 and 8:00. In winter, from November through February, the 9:30 tour has pickup between 8:00 and 8:30, while a 12:30 option has pickup between 11:00 and 11:30.
Watch for the van with the Adventure Vikings logo, and be ready early. Icelandic transport runs on a practical definition of punctuality, so arriving at the pickup point before the stated window is wise.
The drive takes about 45 minutes. It is not just a transfer. You pass through Thingvellir National Park, where the scenery provides a useful introduction to the setting before you put on a mask. Guides may share facts about Icelandic wildlife, national history, and the country’s path to independence along the way.
The ride also helps the five-hour schedule make sense. The time includes transport, changing, safety instructions, the water session, and warming up afterward. You are not getting five hours in the fissure, but you are getting a full half-day outing with transport handled for you.
Getting ready takes longer than you might expect

At the Silfra site, you meet your certified guide and receive an explanation of the plan. Guides may hold PADI Divemaster, instructor, or equivalent qualifications. The fitting process is careful because a poor seal can turn a remarkable outing into a very uncomfortable one.
The equipment varies according to your booking and the conditions. Adventure Vikings offers wetsuits and drysuits, and people in the same group can use different types. If you booked a wetsuit but decide that a drysuit suits you better on the day, the supplied information says you can choose between the available options on site.
A wetsuit gives you better freedom of movement and makes it easier to swim or attempt a short downward look. It also allows more water against your body, so cold becomes a bigger concern. A drysuit keeps water away from your main clothing layers and usually offers better warmth, but it can feel bulky and restrictive. The neck seal can feel tight, and the wrists may also feel confined.
For a drysuit, wear long thermal underwear and thick wool socks. For a wetsuit, wear your swimsuit underneath and bring thick, preferably wool, socks to help protect your feet from the cold. Do not wear jeans or heeled shoes, and dress for the weather outside, not just the water.
Changing may happen outside near the site, and you might wait in your gear before entering. That is one of the less polished parts of the outing, particularly during busy periods. A drysuit can feel uncomfortable while you stand still, so eat breakfast before leaving and bring a warm outer layer for the time before and after the water.
Thirty to forty minutes in the fissure

Once you are dressed and the safety talk is complete, your guide leads you into Silfra. The water temperature is close to 2 degrees Celsius, but the way you experience it depends heavily on the suit and the weather.
With a drysuit, most of your body should remain warm if the layers and seals fit properly. Your face is exposed, and your hands may still become cold. With a wetsuit, the water feels more directly against you, but you gain easier movement. Several factors matter here: air temperature, wind, suit fit, and your own tolerance for cold.
The time in the water is roughly 30 to 40 minutes. That is long enough to appreciate the route without turning the outing into an endurance test. The current helps move you along, and the guide keeps the group together while taking photographs.
Do not expect a fast-paced swim. This works best when you relax, breathe steadily, and let the current do some of the work. If snorkeling makes you nervous, tell the guide early. Guides such as Edgar and Dory have been praised for staying close, helping with breathing and movement, and allowing people to proceed at a comfortable pace.
The most impressive views are geological. You see rock walls, crevices, and the clear water stretching ahead. The lack of abundant sea life is not a flaw in the activity, but it is worth understanding before you pay. This is an outing about clarity, geology, and the odd sensation of floating through a crack in the earth.
Same base, a different kind of day out:
- Reykjavik: Golden Circle Full-Day Tour with Kerid Crater
★ 4.8 · 24,485 reviews - Reykjavik Food Walk – Local Foodie Adventure in Iceland
★ 5.0 · 18,952 reviews - Iceland: Northern Lights Bus Tour from Reykjavik
★ 4.1 · 11,161 reviews - Reykjavík: South Coast Waterfalls, Black Sand & Glacier Tour
★ 4.8 · 11,030 reviews
Underwater photographs are a useful part of the price

A guide takes photographs during the session, usually producing about 40 to 100 images depending on the size of the group and how easily everyone moves through the water. The photographs are available to download free a few days later.
That inclusion matters. It is difficult to manage a camera while wearing gloves, a mask, and a snorkel, especially when you are also trying to stay with the group. The images give you a record of the clear water and the rock formations without asking you to spend the whole session operating a camera.
Bring your own GoPro only if you already have one and know how to use it in cold water. Several people have found the supplied images clear and plentiful, but a personal camera can give you more control. Do not let photography distract you from the main attraction. The best part is being in the fissure, not collecting footage.
Hot chocolate and the walk back

After leaving the water, you walk about five minutes back toward the changing area or vehicle. This short walk can feel surprisingly cold in wet weather, especially if you chose a wetsuit or your hands and feet have lost warmth.
Hot chocolate follows the water session. It is a small inclusion, but here it serves a real purpose. You have just spent 30 to 40 minutes in near-freezing water, and a warm drink makes the transition back to ordinary sightseeing more pleasant.
Bring dry clothes and a towel. The operator recommends a change of clothes because a drysuit has a small chance of leaking. Waterproof outer clothing is also your responsibility, so pack according to the forecast rather than assuming the tour equipment covers every need.
Is the $189 price fair?

At $189 per person, this is not a cheap add-on. The value comes from the combination of logistics and a rare setting.
You receive round-trip transport from Reykjavik, equipment, a qualified guide, safety instruction, a small group, underwater photography, and hot chocolate. If you tried to arrange transport and specialist gear separately, the apparent price advantage of doing it yourself would shrink quickly.
The small group is particularly important. One guide can assist up to six people, though as many as three separate groups may be present at the activity site. Your own group remains limited to six, giving the guide a reasonable chance to help with suit seals, nerves, pacing, and photographs.
The price is harder to justify if you dislike cold water, feel uncomfortable in restrictive clothing, or want a long session with lots of underwater wildlife. It is easier to justify if you value a one-of-a-kind setting and want the convenience of leaving the planning and driving to someone else.
The outing is often booked well ahead, with an average booking lead time of about 45 days. That does not guarantee you need to book that far in advance, but it is a useful warning for a short Iceland visit.
Who should book this outing

You need to know how to swim and feel comfortable in water. You also need to communicate in English, since the briefing and instructions are given in English.
The minimum age is 12. Anyone over 65 needs approval from a physician. The stated height range is 150 to 200 centimeters, and the weight range is 50 to 120 kilograms. You must provide age, height, and weight to the operator, and everyone fills out a medical form before taking part.
Most people who meet those requirements can participate, but the experience is not effortless. You need to tolerate cold, wear a mask and snorkel, and stay calm while moving through a natural fissure. If you are a first-time snorkeler, a patient guide can make a big difference, but you should still be honest about your comfort level.
Do not wear glasses. Use contact lenses or bring your own prescription mask if you have one. Bring a swimsuit and towel, eat before the outing, and allow enough time to get dressed without rushing.
Choosing between a wetsuit and drysuit
This choice shapes the experience more than the promotional wording does.
Choose a wetsuit if freedom of movement matters most and you have a good tolerance for cold. You will likely find it easier to move your arms and look around, and it may be possible to make a short downward attempt. The tradeoff is that you may feel colder, especially in winter.
Choose a drysuit if staying warm is your first concern. It is generally the safer comfort choice for cold weather, though it floats more and restricts movement. The neck seal can feel awkward while you wait, but many people find the warmth worth the compromise once they are in the water.
The operator uses both options throughout the year. On very cold days, staff may recommend a drysuit, but the supplied details say you have the final say if you are booked for a wetsuit. Ask questions before changing, and be realistic about your cold tolerance.
Booking advice and cancellation terms
Pickup is included from Reykjavik, which makes this easier than renting a car for a single activity. The tour is offered in English, uses a mobile ticket, and usually confirms at booking.
Free cancellation is available up to 24 hours before the start time. Changes or cancellations made inside that window are not accepted for a refund. If the minimum number of participants is not met and the operator cancels, you receive a different date or activity, or a full refund.
The timing also matters if you are booking another outing on the same day. The full activity lasts about five hours, and delays can happen when several groups are changing or waiting to enter the water. I would avoid scheduling a tight connection afterward.
Should you book the Silfra wetsuit snorkeling tour?
Book it if you want an unusual Iceland experience built around geology, clear water, and a strong sense of place. The included photos, small group, Reykjavik transfers, and hot chocolate give the $189 price solid practical value.
Think twice if cold water bothers you, if restrictive gear sounds miserable, or if you need a busy underwater world to stay interested. Silfra is not about marine life. It is about floating through a clear fissure between tectonic plates, with lava rock below and a guide helping you manage the cold.
For most suitable visitors, this is a good one-time Iceland choice. Book early, eat breakfast, arrive before pickup, wear warm base layers, and take the suit decision seriously. The experience rewards preparation far more than bravado.
FAQ
How long does the Silfra snorkeling tour last?
The full outing takes approximately five hours, including Reykjavik pickup and drop-off, the drive to Thingvellir National Park, preparation, snorkeling, and warm-up time.
How long are you in the water?
You spend about 30 to 40 minutes snorkeling in Silfra.
Is transportation from Reykjavik included?
Yes. Round-trip pickup and drop-off in Reykjavik are included.
How cold is the water?
The water is around 2 degrees Celsius. A drysuit or wetsuit helps protect you, but your face and hands may still feel cold.
Do I need to know how to swim?
Yes. All participants must know how to swim and feel comfortable in water.
What should I wear under the equipment?
For a wetsuit, wear a swimsuit and thick, preferably wool, socks. For a drysuit, long thermal underwear and thick wool socks are recommended.
Are underwater photographs included?
Yes. The guide takes photographs during the outing, usually about 40 to 100 images, and they are available to download free a few days later.
What are the age and size requirements?
The minimum age is 12. Participants over 65 need a physician’s approval. The stated height range is 150 to 200 centimeters, and the weight range is 50 to 120 kilograms.
Can I cancel for a full refund?
Yes, if you cancel at least 24 hours before the experience start time. Cancellations or changes made less than 24 hours before the start time are not refunded.
Just added in Reykjavik
- Reykjavik: Whale and Puffin Watching RIB Boat Tour★ 4.6 · 179 reviews
- Reykjavik: Whale Watching Express★ 4.3 · 227 reviews
- Reykjavik: Whale Watching & Lava Show★ 5.0 · 4 reviews
- Reykjavik: Whale & Marine Adventure Tour★ 4.3 · 71 reviews
- From Reykjavík: Viking Horseback Tour in Hafnarfjörður★ 4.9 · 112 reviews
- Reykjavík: Horse Riding Tours★ 4.9 · 127 reviews
- Luxury Private Transfer from Reykjavik to Keflavik Airport★ 5.0 · 9 reviews
- Whales Of Iceland Admission Ticket★ 4.0 · 239 reviews
Silfra Snorkeling & Diving, compared.

Snorkeling Between Tectonic Plates – Meet on Location
Read our review →
Silfra Fissure Snorkeling between Two Continents
Read our review →
Silfra Drysuit Snorkeling with Free Photos – Meet on Location
Read our review →
Snorkeling Between Tectonic Plates Pick Up from Reykjavik
Read our review →
Half-Day Snorkeling Day Trip with Underwater Photos
Read our review →
Silfra Drysuit Snorkeling Tour with Free Photos – From Reykjavik
Read our review →
Diving Between Tectonic Plates and Pick Up from Reykjavik
Read our review →Browse the lists this tour appears in

