Reviewed · SILFRA TOURS

From Reykjavik- Silfra Snorkeling transfer included

★ 5.0 · 46 reviews 6 hours (approx.) Operated by Troll Expeditions · Bookable on Viator
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Silfra gives you a rare kind of adventure: you float through a crack between the North American and Eurasian tectonic plates, surrounded by clear Icelandic water and blue-lit rock. The route is not a hard swim. Much of the experience is a slow, guided float through the fissure.

I like the practical package here. Hotel-area pickup, drysuit equipment, underwater photos, and hot chocolate or tea are all covered, so you do not have to organize the day piece by piece. The guide also stays with you throughout, and past outings have included guides such as Kevin, Ana, and Cristo.

The main catch is the cold and the tight drysuit. Your body should stay dry, but your face and hands can feel cold, and the gloves are designed to let water reach your hands. You also need basic swimming ability, a reasonable fitness level, and the willingness to follow medical and equipment rules.

Key points to know before booking

From Reykjavik- Silfra Snorkeling transfer included - Key points to know before booking

  • Silfra sits between two tectonic plates: You float through the geological gap separating North America and Eurasia.
  • Visibility can exceed 100 meters: The clear water and blue light are the main reason Silfra feels so unusual.
  • The experience lasts about 40 minutes in the water: Most of that time is floating rather than active swimming, followed by a short walk back.
  • Your transfer starts early: Pickup begins around 8:00 a.m., with the activity listed to start at 8:30 a.m.
  • The drysuit keeps your torso dry: Your face and hands may still feel cold, especially in winter.
  • Photos and hot drinks are included: You receive underwater GoPro images and warm up afterward with tea or hot chocolate and Icelandic chocolate.

Why Silfra feels different from ordinary snorkeling

From Reykjavik- Silfra Snorkeling transfer included - Why Silfra feels different from ordinary snorkeling

Most snorkeling trips are about fish, coral, or warm water. Silfra is about geology and clarity. The attraction is not colorful marine life. It is the chance to move through a narrow underwater world formed by the shifting of two continental plates.

The water is described as clear enough for more than 100 meters of visibility. That does not mean you will see 100 meters in every direction at every point, but it explains the startling clarity of the site. Rock walls, cracks, and blue tones remain visible in a way that ordinary lakes and coastal water rarely allow.

You will be wearing a drysuit rather than a standard wetsuit. That matters. A wetsuit lets water in and depends on your body warming a thin layer. A drysuit is intended to keep your body dry, with a thermal undersuit underneath. The tradeoff is a more restrictive fit.

This is not the kind of activity where you casually jump in and paddle around. You need to be comfortable in water, follow the guide’s directions, and accept that the suit may feel tight around your neck, wrists, and body. For many people, that preparation is part of the adventure. For others, it is the reason to choose a different outing.

More ways to get into the Silfra fissure:

The Reykjavik transfer makes the morning easier

From Reykjavik- Silfra Snorkeling transfer included - The Reykjavik transfer makes the morning easier

Pickup begins around 8:00 a.m., and the activity start time is listed as 8:30 a.m. Allow up to 30 minutes for collection. In central Reykjavik, the minibus may not stop directly outside your hotel because of local traffic rules.

You may instead walk a few minutes to a designated bus stop. Check your assigned pickup details carefully, and use busstop.is if you need to confirm walking directions. This is a small detail, but missing the vehicle would create a large problem for a timed water activity.

Round-trip transportation from Reykjavik is included. The minibus also has WiFi, which is useful if you want to check messages or keep track of the rest of your Iceland plans during the ride.

The overall outing takes about six hours, although the Silfra portion is listed as three hours and the actual time in the water is about 40 minutes. The rest of the day includes transport, changing, safety instructions, and the short walk between the entry and exit areas.

Getting ready for the drysuit

From Reykjavik- Silfra Snorkeling transfer included - Getting ready for the drysuit

At Silfra, the guide provides the full set of snorkeling equipment:

  • Drysuit
  • Thermal undersuit
  • Mask and snorkel
  • Fins
  • Hood
  • Gloves

The guide also explains how to use the equipment and what to expect in the water. You should arrive ready to listen closely. A drysuit is not as forgiving as ordinary swimwear, and small problems with fit or positioning matter more when you are in cold water.

The suit is meant to protect your body from the cold, but it is not a promise that every part of you will feel warm. Your face is exposed, and the gloves may become wet by design. One June outing was described as comfortable for the body, with a cold face and chilly hands that remained manageable.

That distinction is useful. If you imagine a warm-water snorkeling trip, reset your expectations. Silfra can be comfortable in the right gear, but it is still Icelandic water.

Floating through the tectonic fissure

From Reykjavik- Silfra Snorkeling transfer included - Floating through the tectonic fissure

Once you enter the water, the experience is mostly a controlled float. You use the fins and follow the guide while looking down and around at the rock formations.

The water is cold, but the drysuit limits how much of that cold reaches your body. The main effort is not strenuous swimming. One account described roughly 40 minutes of floating, followed by only a five-minute walk back. That makes this suitable for someone who can swim but does not want an intense physical workout.

The route passes through a submerged valley with rock formations and changing colors. Blue light gives the water its otherworldly quality, while the fissure itself supplies the sense of place. You are not simply looking at a geological feature from a viewing platform. You are moving through it at water level.

Your guide remains important here. The water may be clear, but the suit, mask, and unfamiliar setting can make it harder to orient yourself. Guides such as Kevin, Ana, and Cristo have been singled out for clear instruction, personal attention, and photography. Kevin was noted for remembering the names of people in his group even while they wore masks, while Cristo was praised for taking strong underwater pictures.

The group limit is 18 people. That is not a private outing, but it gives the guide a workable group size for safety instructions and supervision. Your experience will still depend on the pace of the group and the conditions at the site.

The underwater photos are more useful than a souvenir snapshot

From Reykjavik- Silfra Snorkeling transfer included - The underwater photos are more useful than a souvenir snapshot

Underwater GoPro photos are included. That is a real benefit because taking your own phone into cold water inside a drysuit is not practical, and your attention should be on the route and the instructions.

The photos also record the part of the experience that is hardest to explain later: you floating in the narrow blue fissure, wearing a hood, mask, and snorkel. Photo quality and timing can vary with water conditions and group movement, but having the service included is better value than finishing the activity with only memories from the parking area.

You should not treat the photos as the central reason to book. Silfra is first a physical experience, then a photo opportunity. Still, the images help show friends and family why this excursion was different from an ordinary swim.

Warming up with tea and Icelandic chocolate

From Reykjavik- Silfra Snorkeling transfer included - Warming up with tea and Icelandic chocolate

After snorkeling, you receive hot chocolate or tea and Icelandic chocolate bars. This is a small touch, but it matters after cold-water activity.

You will likely appreciate the drink more than you would at a regular café stop. The warmth gives you time to settle after changing out of the equipment, and the chocolate adds a quick snack before the return journey.

Lunch is not included. Plan to eat before pickup or arrange food for later, since the tour does not provide a meal. The included drink and chocolate are a comfort stop, not a replacement for lunch.

How physically demanding is the outing?

From Reykjavik- Silfra Snorkeling transfer included - How physically demanding is the outing?

The tour requires a moderate fitness level and basic swimming ability. You need to be comfortable in water and able to communicate in English during the activity.

The physical challenge comes from more than swimming. You must stand, move in a restrictive suit, manage the equipment, and tolerate cold around your face and hands. If you have trouble with tight clothing or limited movement, the drysuit may be the hardest part.

The minimum age is 12, and anyone under 18 must be accompanied by a parent or adult guardian booked on the same tour. The maximum age is 69. People aged 60 to 69 need a medical waiver signed by a doctor.

The medical rules are serious. You must complete the Silfra Medical Statement Form and may need a doctor’s allowance if you have neurological, circulatory, or respiratory problems, underlying conditions, recent illness, or other physical concerns. People over 45 who smoke pipes or have a history of heavy alcohol intake may also need a medical waiver.

There is conflicting size information in the supplied requirements. One section gives a weight range of 30 to 140 kilos, while another gives 45 to 120 kilos. The height range is listed as 135 to 200 centimeters. If you are near any limit, contact Tröll Expeditions before booking and ask which current requirement applies.

The best time to choose

From Reykjavik- Silfra Snorkeling transfer included - The best time to choose

Silfra gets very busy in summer. The earliest morning or late afternoon departures are recommended to reduce the pressure of peak periods.

The early morning departure offered here suits anyone who wants to get the activity finished before a full day of sightseeing. It does mean an early start, with pickup beginning around 8:00 a.m. If you are staying in Reykjavik and plan to visit other sights later, the timing can work well.

Winter has its own appeal. One outing in the colder months was described as an especially good experience, and the contrast between Iceland’s air temperature and the clear water can make the day feel more dramatic. The tradeoff is obvious: you need to be ready for colder conditions while changing and waiting outside.

The activity requires suitable weather. If the operator cancels because of poor weather, you are offered another date or a full refund. Weather in Iceland can shift quickly, so keep some flexibility in your schedule if this is a priority.

What the tour includes, and what it does not

The package includes:

  • Pickup and drop-off from designated bus stops
  • Round-trip transport from Reykjavik
  • Drysuit and thermal undersuit
  • Mask, snorkel, fins, hood, and gloves
  • Certified PADI guide or divemaster
  • Underwater GoPro photos
  • Hot chocolate or tea
  • Icelandic chocolate bars
  • WiFi on the minibus
  • Equipment, fees, and taxes

Lunch is not included. You also need to supply the basic qualities that no tour operator can provide for you: comfort in water, physical readiness, and the ability to follow instructions in English.

The value is strongest if you would otherwise have to arrange transport, rental gear, a guide, and photos separately. Since those major pieces are bundled together, the booking price covers more than entry to the water. You should still compare the cost with other Silfra options if your dates are flexible, especially if you do not need transfers or included photography.

Who will enjoy this most?

I would choose this for an outdoorsy person who wants a memorable Iceland activity beyond viewpoints and bus tours. It also suits couples, families with teenagers aged 12 or older, and small groups looking for a shared challenge.

The experience is a good fit if you:

  • Can swim and feel at ease in open water
  • Are comfortable wearing a tight drysuit
  • Want a guided activity rather than independent sightseeing
  • Like geology and unusual natural settings
  • Value included transportation and photos
  • Can manage a morning pickup and several hours away from Reykjavik

I would think twice if you dislike cold water, restrictive clothing, or being guided at a steady group pace. The water portion is not very long, but the preparation and equipment are not optional details. This is also not a good choice if you cannot meet the medical requirements or communicate in English during the safety briefing.

Booking advice and cancellation terms

You receive confirmation when you book. Pickup details deserve attention because the vehicle may use a nearby bus stop rather than your hotel entrance.

Free cancellation is available if you cancel at least 24 hours before the start time. Cancellations or changes made within 24 hours are not refunded or accepted. Since poor weather can cause an operator cancellation, avoid scheduling this on the final possible day of your Iceland visit if you have no room to move the booking.

Should you book the Silfra snorkeling tour?

Book it if you want an unusual, well-organized water activity and the idea of floating between tectonic plates excites you. The included transfer, complete equipment, guide, GoPro photos, and hot drink make the package practical, especially for a first visit to Iceland.

Skip it if you want warm water, abundant wildlife, or a relaxed activity that requires little preparation. Silfra is cold, the drysuit is restrictive, and the medical rules are firm.

For the right person, this is one of Iceland’s most distinctive half-day experiences. You are not swimming a long course or exploring a tropical reef. You are slowly floating through a geological fault, looking into exceptionally clear water, and leaving with photos that show exactly how unusual the setting is.

FAQ

How long does the Silfra snorkeling tour take?

The full experience takes about six hours, including transport from Reykjavik. The Silfra portion is listed as three hours, while the actual time in the water is about 40 minutes.

Is transportation from Reykjavik included?

Yes. Pickup and drop-off are included from designated Reykjavik bus stops. Pickup begins around 8:00 a.m. and can take up to 30 minutes.

What equipment is provided?

The tour provides a drysuit, thermal undersuit, mask, snorkel, fins, hood, gloves, and the remaining snorkeling equipment.

Do I need to know how to swim?

Yes. You must be comfortable in water and have basic swimming ability. A moderate level of physical fitness is also required.

What are the age and size requirements?

Participants must be at least 12 and no older than 69. Anyone under 18 must join with a parent or adult guardian. The stated height range is 135 to 200 centimeters, but the supplied weight requirements conflict, so check with Tröll Expeditions if you are near a limit.

Are photos and refreshments included?

Yes. Underwater GoPro photos, hot chocolate or tea, and Icelandic chocolate bars are included. Lunch is not provided.

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