Silfra Wetsuit Snorkeling Tour with Underwater Photos – From Reykjavik

Silfra is one of the few places where you can snorkel between two tectonic plates in water so clear that visibility can reach more than 100 meters. The setting is not about colorful fish. It is about black lava rock, blue glacial water, and the strange feeling of floating through a crack in the Earth.

I like the included Reykjavík transfers and the small groups of no more than six. Guides such as Gretar, Dory, Edgar, Luis, and Niko are repeatedly praised for patient instruction, careful suit fitting, and excellent photos. The main drawback is simple: the water is cold, and getting dressed can take time.

Quick facts that matter

• You snorkel for about 30 to 40 minutes in Silfra, then walk roughly five minutes back to the changing area.
• The water comes from filtered glacial meltwater, with exceptional clarity and a temperature near 2°C.
• You can use a wetsuit or drysuit, depending on your booking and preference at the site. Drysuits offer more warmth, while wetsuits allow easier movement.
• Your group has a maximum of six people, giving the guide time to help with equipment and stay close in the water.
• Forty to 100 underwater photos are included, usually ready for download a few days after the tour.
• Hot chocolate follows the snorkeling, a small but welcome reward after cold hands and a chilly face.

The 45-minute ride to Thingvellir

The tour begins with pickup in Reykjavík. In summer, the tour generally starts at 9:00, with pickup between 7:30 and 8:00. In winter, a 9:30 departure usually means pickup between 8:00 and 8:30. A second winter departure begins at 12:30, with pickup between 11:00 and 11:30.

Be ready early. The operator asks you to look for a van marked Adventure Vikings, and early pickup matters because the drive takes about 45 minutes. The vehicle takes you east toward Thingvellir National Park, where the scenery begins long before you reach the water.

This ride is useful, not just a transfer. You pass through one of Iceland’s best-known natural areas, with views of open country, lava formations, and the setting around Thingvellir. Some guides, including Gretar, have added background about Icelandic wildlife, the country’s past, and its path to independence. That turns the drive into a pleasant introduction to the region.

You should eat breakfast before leaving. There is no food included, and the activity requires enough energy for a long preparation period followed by cold-water snorkeling.

Getting suited up beside Silfra

At the Silfra site, your certified guide gives you an overview of the activity and explains what will happen in the water. The equipment process is careful, but it is not quick. You may spend a fair amount of time outside or near the changing area while the guide checks everyone’s suit, mask, hood, gloves, and snorkel.

This is one of the parts I would prepare for mentally. The guide has to fit several people properly, and the group cannot enter the fissure until everyone is ready. Some people find the neck seal of a drysuit tight or restrictive. Others appreciate the added warmth and remain mostly dry.

If you select the wetsuit option, wear your swimsuit underneath. Thick wool socks are recommended because your feet can become cold. A wetsuit gives you better mobility and may make it easier to move your arms and legs, but it does not offer the same level of insulation as a drysuit.

A drysuit needs a different base layer. Long thermal underwear and thick wool socks are recommended, and you should bring a change of clothes because there is a small chance of leakage. Drysuits can feel bulky, especially around the neck and wrists, but several people find them more comfortable in winter.

The company offers both suit types throughout the year. If you are booked for one option, you can ask about the other at the site. Members of the same group can use different suits and still enter the water together. That flexibility is useful for couples or friends who have different ideas about cold and movement.

Bring a swimsuit, towel, weatherproof clothing, and dry clothes. Wear clothing suited to Iceland’s conditions, but avoid jeans and high heels. If you wear glasses, use contact lenses or bring your own prescription mask.

What Silfra looks like underwater

Silfra is a flooded fissure in Thingvellir National Park. The water has filtered through lava fields for decades before reaching the fissure, which helps explain its remarkable clarity. You can look far ahead through the blue water, with rock walls and formations visible below and beside you.

The water is fresh and exceptionally pure. You may even take a sip while snorkeling, although swallowing a little water is not something you need to plan on doing. The main appeal is the unusual setting, not wildlife. You might see small fish, and freshwater algae can appear on the rocks and bottom, but this is not a marine-life excursion.

The fissure lies between the North American and Eurasian tectonic plates, which are separated here by roughly 6 to 7 kilometers. The popular phrase about snorkeling between the plates is a simplified way to describe the geology, but the experience still gives you a direct sense of standing in a major crack between them.

The water has often been described as feeling like flight. That comparison makes sense once you are horizontal, looking down through extremely clear water with little visual clutter. You are carried gently forward by the current, so the activity is more about relaxed floating than powerful swimming.

You will not spend the whole 40 minutes looking at dramatic underwater structures. Some sections are more open, and the visual appeal comes from clarity, color, and rock rather than constant spectacle. If you want tropical fish, coral, or a busy underwater world, this is the wrong activity. If you want an unusual geological setting found nowhere else in quite the same form, it earns its place on an Iceland itinerary.

The 30 to 40 minutes in the fissure

Before entering, your guide explains how to breathe through the snorkel, keep your body relaxed, and move with the group. You need to know how to swim and feel comfortable in water. You also need to communicate in English, since the safety briefing and instructions are given in English.

The guide enters with a group of up to six. That size is a real benefit. You are not left to figure out the equipment alone, and the guide can stay aware of different swimming speeds. Guides such as Wilmar and Edgar have been praised for staying close to less confident swimmers, while Dory and Alex have been noted for patient preparation and calm support.

The current carries you forward, but you still need to keep track of your position and follow instructions. Slow movements work best, especially in a drysuit. Once you settle into the breathing pattern, the outing becomes fairly gentle. The first few minutes are usually about adjusting to the mask, water temperature, and suit.

Your face and hands are the parts most likely to feel cold. The rest of your body may stay comfortable, especially in a drysuit with proper layers. In a wetsuit, the cold can be more noticeable, particularly during winter or while waiting before entry.

The guides also take underwater photos as you go. The number varies with group size and swimming ability, but you can expect roughly 40 to 100 images. These are supplied free for download a few days after the tour. That is a useful inclusion because handling a camera in cold water is awkward, and stopping to take your own pictures can distract from the experience.

Do not expect every image to be perfect. The water, movement, group spacing, and visibility affect the results. Still, the photo package gives you a good chance of receiving clear records of the trip without paying an additional fee.

Warm-up, hot chocolate, and the ride back

After leaving the water, you walk about five minutes back to the changing area. This short walk can feel longer if your hands and face are cold, so have your towel and dry clothing ready.

The hot chocolate comes after the equipment comes off. It is a modest touch, but it matters. You have spent time in near-freezing water, and a warm drink gives the group a chance to thaw out and talk about what they just did.

The activity lasts about five hours from Reykjavík, including transport, preparation, time in the water, changing, and the return trip. The snorkeling itself is only part of the day. If you have a tight schedule, allow the full stated duration rather than assuming you will be back in the city soon after leaving the water.

Is the $189 price fair?

At $189 per person, this is not a cheap way to spend half a day. You are paying for round-trip transportation from Reykjavík, certified guiding, snorkeling equipment, the use of either suit type, the small group format, hot chocolate, and underwater photographs.

The included transfer adds real value if you are not renting a car. Silfra is outside Reykjavík, and arranging transport independently can be inconvenient. The small group also makes the cost easier to justify, especially if you are nervous in the water or need extra help with equipment.

The photos are another useful saving. You do not need to rent or buy a camera for the activity, and you can keep a set of images from the excursion. The tour also includes the guide’s help with suit fitting, safety, and movement in the fissure.

The price is harder to justify if you dislike cold water, want a long snorkeling session, or mainly want to see wildlife. You may spend as much time preparing and changing as you do actually floating in Silfra. This is a specialized geological experience, not a broad Iceland sightseeing tour.

The tour receives a 4.9 rating from 123 reviews, with 98 percent recommending it. That high satisfaction makes sense, but it should not hide the practical limits. The experience is unusual and memorable, yet it is also cold, gear-heavy, and physically demanding in a modest way.

Who should book this Silfra tour?

You should consider it if you:

• Can swim and feel calm in cold water
• Like geology, unusual natural settings, or outdoor adventures
• Want a guided activity with transport from Reykjavík
• Prefer a small group and close help with equipment
• Are comfortable following instructions in English
• Want underwater photos without managing your own camera

It can suit a solo visitor particularly well. You do not need to arrange a private group, and a good guide can help you feel comfortable even if you are new to snorkeling. It also works well for couples and friends who want a memorable half-day activity outside the city.

Think carefully if you dislike tight clothing or feeling restricted around your neck and wrists. A drysuit can feel awkward at first. A wetsuit offers more freedom of movement, but the cold may be stronger. In either suit, your face and hands may become uncomfortable.

The minimum age is 12. Participants must be at least 150 centimeters tall and no more than 200 centimeters tall, with a minimum weight of 50 kilograms and maximum weight of 120 kilograms. Anyone over 65 needs approval from a physician. Everyone must complete a medical form before taking part, so check the medical statement after booking.

Practical details before you reserve

Pickup is offered from Reykjavík, but you need to provide each participant’s age, height, and weight to the operator. That information affects suit fitting and should not be left until the morning of the tour.

Bring breakfast, swimwear, a towel, warm socks, suitable outdoor clothing, and a change of clothes. Contact lenses are better than glasses unless you have your own prescription mask. A personal GoPro or mask can be useful if you already own one, but the included photo service means you can enjoy the activity without carrying extra equipment.

The tour is offered in English. It requires a minimum number of participants, and if the operator cancels because that number is not met, you are offered another date or experience, or a full refund. You can cancel for a full refund up to 24 hours before the start time. Changes or cancellations inside that window are not accepted.

Should you book it?

I would book this if you want a distinctly Icelandic experience rather than another standard sightseeing stop. The crystal-clear water, lava formations, and tectonic setting give Silfra a strong sense of place, and the small group, included transfers, patient guides, and free photos make the outing easy to manage.

I would not book it just because you expect warm water, abundant fish, or a relaxed tropical snorkeling trip. You need to accept the cold, the long dressing process, and the possibility that your hands and face will be uncomfortable.

Choose the wetsuit if freedom of movement matters most and you are prepared for colder water. Choose the drysuit if warmth matters more than comfort and flexibility. Either way, eat first, arrive early, bring thick socks, and listen closely to the guide. For the right person, Silfra is a memorable geological adventure, not simply a swim.

FAQ

How long does the Silfra snorkeling tour last?

The full experience from Reykjavík takes approximately five hours. The drive to Silfra takes about 45 minutes each way, and you spend around 30 to 40 minutes in the water.

How cold is the water at Silfra?

The water is glacial and is around 2°C according to the tour information and participant experiences. Your face and hands are the areas most likely to feel cold.

Can I choose between a wetsuit and a drysuit?

Yes. Adventure Vikings offers both suit types year-round. If you are booked in one type, you can ask about the other at the site. People in the same group can use different suits.

Do I need to know how to swim?

Yes. Every participant must know how to swim and feel comfortable in water.

Are underwater photos included?

Yes. The guide takes approximately 40 to 100 photos, depending on group size and swimming ability. The images are available to download free a few days after the tour.

What should I wear under the wetsuit?

Wear your swimsuit under the wetsuit. Thick, preferably wool, socks are recommended to help keep your feet warm.

What are the age and size requirements?

The minimum age is 12. Participants must be between 150 and 200 centimeters tall and weigh between 50 and 120 kilograms. Anyone over 65 needs approval from a physician.

Is Reykjavík pickup included?

Yes. Round-trip pickup and drop-off in Reykjavík are included. Summer and winter pickup windows differ, so check the time provided with your booking and be ready early for the Adventure Vikings van.