Reviewed · WALKING TOURS

Tenerife: Underwater Walk – Sea Trek Experience

★ 5.0 · 237 reviews 1h 30m From $90 Operated by Diving on the Moon · Bookable on GetYourGuide
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Walking underwater feels like cheating gravity. In Tenerife, Sea Trek makes it possible with a helmet that delivers continuous air, so you can breathe normally and explore the ocean floor without swimming skills, guided by pros like Matt and Rasta.

I also love the very small groups, with instructors staying right next to you the whole time so nerves do not snowball. One drawback to plan around: it is not suitable for children under 8 or pregnant women, so you will need an alternative if that applies to your group.

Key moments I’d circle first

Tenerife: Underwater Walk - Sea Trek Experience - Key moments I’d circle first

  • Breathe normally underwater with a Sea Trek helmet and continuous air supply
  • Moon-like zero-gravity sensation on the seabed
  • Personal attention in tiny groups, often just two people in the water at a time
  • Close-up marine viewing around fish and volcanic rock formations
  • Wetsuit included, plus lockers and a changing area so you can get comfortable fast

Sea Trek in Los Cristianos: The Moon-Walk Pitch

Tenerife: Underwater Walk - Sea Trek Experience - Sea Trek in Los Cristianos: The Moon-Walk Pitch
Sea Trek is one of those Tenerife activities that sounds like a gimmick until you understand the setup. The magic is simple: you wear a special Sea Trek helmet with continuous air, then you walk on the ocean floor while breathing like you are on land. No swimming drills. No scuba training. Just you, the gear, and Tenerife’s underwater world.

What makes it feel different from snorkelling is the sensation. People describe it as a moon-like, zero-gravity style experience, and I get why. Your body feels buoyant and steady, so you can focus on the seabed instead of fighting water or worrying about breathing.

If you are curious but nervous around water, this format matters. The experience is built for first-timers, and the guides control the pace. You are not thrown into the deep end, figuratively or literally.

Finding the shop at Paseo Aquilino and your 30-minute safety briefing

Tenerife: Underwater Walk - Sea Trek Experience - Finding the shop at Paseo Aquilino and your 30-minute safety briefing
Your tour starts at Paseo Aquilino. If you arrive via the seaside promenade, go into Paseo Aquilino and find the shop on your right, just up the wheelchair ramp. If you come from the street side, go down the stairs and the shop is on your left, up the ramp.

Once you are at the check-in, plan on about 30 minutes for class and safety briefing in Los Cristianos. This is not wasted time. The helmet changes everything about how you feel underwater, and you will learn how breathing, movement, and communication work. I like that they keep it structured before anyone goes near the water.

During this briefing you also get fitted with equipment. Expect a calm, step-by-step process. Recent experiences highlight the same theme again and again: staff take time with nervous people and do not rush you into the water.

The short on-foot transfer and what the 8 minutes helps you learn

Tenerife: Underwater Walk - Sea Trek Experience - The short on-foot transfer and what the 8 minutes helps you learn
Between the briefing and the water, there is a short walk, roughly 8 minutes. This is the “get your bearings” part of the tour. It also gives you a moment to feel the gear before you commit to the underwater part.

You will be thinking about small things: wet suit comfort, how the helmet sits, and how you will manage walking while surrounded by water. That sounds minor, but it is exactly what makes the next stage feel smooth instead of stressful.

If conditions are a bit choppy, this short transition also sets expectations. You are going to be guided onto the seabed in a controlled way. So you do not need to muscle through anything on your own.

Your underwater helmet walk: breathing naturally and feeling zero-gravity

Tenerife: Underwater Walk - Sea Trek Experience - Your underwater helmet walk: breathing naturally and feeling zero-gravity
The marine experience lasts about 20 to 25 minutes underwater, while the total tour time comes to about 90 minutes including prep and wrap-up. Underwater, your big win is breathing normally through the Sea Trek helmet. You do not need to swim. You also do not need to hold your breath.

Once you enter the water, your movement becomes more about balance and slow exploration. The sensation is often described as walking on the moon. Even when you are kneeling on the seabed, the feeling is odd in a good way, because you are upright, yet gravity feels muted.

I also like that you can adjust small things without panic. People have noted they can keep their glasses on, and even scratch their nose while suited up. That might sound funny, but it signals something important: the helmet fit is designed for real comfort, not just function.

You might notice currents. One consistent theme from experiences is that the walking can get a bit tricky if water movement pushes against you. The good news is that guides stay close and help you manage your position. If you are expecting a totally effortless stroll, adjust your mindset. It is still easy, just not stiff and robotic.

How the “walk” actually feels at seabed level

You are not “floating around” like a lazy snorkel session. You are exploring the seabed up close. Many people end up kneeling and looking around at about 5 meters down, letting fish come near rather than chasing them with a kick.

That is the real payoff: you get that face-to-face feeling with marine life. The seabed is right there, and you are close enough to see details in how fish move, how they rest, and how they react to your presence.

Volcanic rock formations, fish close-up, and the marine life you may meet

Tenerife: Underwater Walk - Sea Trek Experience - Volcanic rock formations, fish close-up, and the marine life you may meet
Tenerife’s underwater scenery is shaped by volcanic geography, so the environment you walk over is not just sand and generic water. Expect volcanic formations and rocky textures, which give fish a reason to hang around.

The species you see can vary by conditions, but the types of experiences people talk about include:

  • Lots of small fish swimming right in front of you
  • The chance to spot more unusual creatures, like a seahorse
  • Moments where guides point out features of the seabed and wildlife activity

One important rule: you are not allowed to touch marine life. So treat any animal interaction as guided and supervised. In past experiences, people have shared stories about holding a sea urchin, which suggests there is a permitted, controlled way to do it. Still, the safest approach is to follow the guides exactly and wait for their cue.

If you are the kind of person who wants photos, your best bet is to listen for those “look here” moments. When the guides spot something interesting, they slow down so you get the view and the framing.

Guides close by, small groups limited to 4, and why it matters

Sea Trek keeps things deliberately small. The activity is limited to 4 participants, and your underwater group is two people at a time, with up to four in a slot. That structure is not just for comfort. It helps instructors monitor breathing, posture, and confidence in real time.

You can feel that in how the tour runs. Guides stay at your side, and multiple people have highlighted the same thing: they check in constantly, explain what to do, and reassure you if you get nervous.

Names that came up often in experiences include Matheus, Mathias, Yaqoob, and Ayoob, plus guides like Rasta, Mati, and Matt. Regardless of the name on the day, the job description is consistent: calm, patient support with clear instruction.

For families, this matters a lot. One reason parents like this format is that it is approachable even for kids who do not feel confident in water. For adults who get nervous, it also helps to know you are not competing with a crowd or trying to keep up.

What’s included in the Sea Trek price, and what is worth paying extra

The price is listed at $90 per person, and the value comes from what you get along with it. This is not just a helmet rental.

Included items:

  • Sea Trek helmet with continuous air supply
  • Wetsuit plus changing area and lockers
  • Certified instructors with safety support
  • Insurance
  • Safety briefing and guided underwater walk

What is not included:

  • Photos and videos in the base price

There is a photo and video package available for €25 per couple. I think this is a sensible add-on if you are the type who wants proof you did it. Underwater moments happen fast, and you do not want to spend your energy trying to capture everything while you should be looking at the seabed.

If you compare this to a standard snorkel outing, the price feels more justified. You are paying for safety staffing, gear, and the breathing system that removes the skill barrier. You also get a guided experience built around calm exploration rather than equipment logistics.

Who should book this underwater walk, and who should skip it

Tenerife: Underwater Walk - Sea Trek Experience - Who should book this underwater walk, and who should skip it
Sea Trek is a great fit if you want underwater scenery without the intimidation of traditional underwater skills. It is specifically framed as doable for people who do not swim or do not have diving experience.

It also works well for people who wear glasses. Multiple experiences mention being able to keep glasses on inside the helmet, so you can see fish clearly rather than squinting through blur.

It is also a good “family moment” activity. People describe it as memorable for kids and parents alike, especially because you share the same surreal sensation together.

Now the limits:

  • Not suitable for children under 8
  • Not suitable for pregnant women

If either applies, you should look for a different Tenerife water activity.

Tips for a smoother Sea Trek day (that you can use right away)

Tenerife: Underwater Walk - Sea Trek Experience - Tips for a smoother Sea Trek day (that you can use right away)
Bring swimwear and a towel. That part is basic, but it is what keeps you from scrambling when you get changed. Also, keep the “no touching marine life” rule in mind so you do not get tempted during exciting moments.

Dress for practical comfort. You will be in a wetsuit, so you do not need a fancy swimsuit setup. Just something comfortable and easy to move in.

Expect the water to feel cold for some people, even with a wetsuit. Plan to take the guidance on warming up seriously. Once you are in the helmet and settled on the seabed, the experience usually shifts from “cold” to “wow.”

If you are nervous about water, focus on the process. The instructors will fit gear, brief you, and stay with you. That structure is exactly why first-timers often relax after the initial step.

One more small tip: if you wear glasses, confirm your fit and alignment during the helmet setup. The better the fit, the better your underwater viewing.

FAQ

FAQ

How long is the Sea Trek Underwater Walk in Tenerife?

The total experience is about 90 minutes, including the briefing, equipment fitting, and debriefing. The time underwater is about 20 to 25 minutes.

Where do we meet for the experience?

You meet at Paseo Aquilino. The shop location depends on how you approach: from the seaside promenade it is on your right up the wheelchair ramp, and from the street it is on your left up the ramp after going down the stairs.

Do I need to know how to swim or dive?

No. The activity is designed so you can explore underwater without needing swimming or diving skills, using the Sea Trek helmet so you can breathe naturally underwater.

Can I wear glasses in the helmet?

The experience information says you do not need prior experience, and multiple experiences note that people can keep their glasses on to see clearly while underwater.

What should I bring with me?

Bring swimwear and a towel.

Is a photo and video package included?

Photos and videos are not included in the base price. A full photo and video package is available for €25 per couple.

Should you book Sea Trek in Tenerife?

Book it if you want a genuinely different underwater experience without swimming pressure. The combination of normal breathing through the helmet, moon-like sensation on the seabed, and small group attention makes it one of the easiest ways to see Tenerife’s marine life up close.

Skip it if your group includes children under 8 or anyone who is pregnant. Also, if you are the type who hates any cold-water factor, be ready for the wetsuit to help but not fully erase the chill.

If you are flexible, check starting times and availability. You can also cancel up to 24 hours in advance for a full refund, and you may be able to reserve now and pay later, which helps if you are shaping the rest of your Tenerife day.

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