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Explore Tenerife’s underwater lava tongues on this guided boat tour, with expert insights, stunning views, and photos as lasting memories for just $58.

If you’re heading to Tenerife and craving a unique way to experience its volcanic origins, this boat excursion to see the underwater lava tongues promises an unforgettable adventure. With a focus on both the geological marvels and the vibrant marine life, this tour combines education with exploration in a compact two-hour journey. Guided by seasoned experts with over 30 years of water and underwater experience, it’s clear that safety and storytelling are a priority.
One of the standout features of this tour is the expert guides, who are not only experienced water professionals but also biologists and geologists. They bring a wealth of knowledge about Tenerife’s volcanic activity and orography—both above and beneath the waves. Plus, the opportunity to take home professional photos and videos at the end makes it a memorable keepsake that adds incredible value.
A potential consideration is the small group size, which is actually a plus for personalized attention but might not be ideal for those seeking a larger, more social tour experience. The tour’s price of around $58.11 per person is fairly reasonable given the expert guidance, the scenery, and the unique nature of the activity.
This experience is perfect for travelers eager to learn about volcanic geology, snorkel enthusiasts of all levels, or anyone looking for a distinctive way to connect with Tenerife’s natural beauty. If you’re comfortable on boats and appreciate insightful commentary, you’ll likely find this adventure well worth your time.
More ways to experience Tenerife from the water include these boat tours

The adventure begins at Marina del Sur in Las Galletas, easily accessible by public transportation, which is convenient for most visitors. The meeting point is straightforward, and the activity ends back at the same spot, simplifying logistics for travelers. With confirmation received immediately upon booking, there’s no unnecessary waiting or guesswork.
The tour lasts approximately two hours, which is just enough time to explore the lava formations without feeling rushed. The boat departs in the morning or early afternoon, depending on the schedule, and is designed for small groups—maximum of 10 participants—making the experience more intimate and interactive.
The journey kicks off with a boat ride from Las Galletas, taking us along Tenerife’s southeastern and southwestern coasts. The focus is on the lava tongues created when volcanic eruptions met the sea, sculpting the island’s rugged coastlines.
Stop 1: Las Galletas
This is where you’ll see the dramatic contact zones between lava and ocean. These formations are not just visually stunning but also tell stories of Tenerife’s fiery birth. The guides explain how these lava tongues came into being and their significance in the island’s volcanic history.
Throughout the trip, the guides point out various features of the underwater orography. They offer insight into how Tenerife’s landscape was sculpted by volcanic activity, both above ground and beneath the surface. Expect vivid descriptions of the lava’s contact with seawater and how this interaction creates new landforms.
The highlight of the tour is observing the lava tongues in their underwater environment. Guides highlight the orography of the seabed, showing how volcanic activity continues to shape the marine landscape. With the help of videos and pictures taken during the excursion, visitors get a visual record of these formations, which is a lovely memento.
Marine fauna inhabiting these lava formations also catches the eye. While the primary focus is on geology, the guides often describe the various species that thrive in these ecosystems, adding an extra dimension to the experience.
Emma_B’s review captures the essence of what makes this tour special: “Paco, our host, was a fascinating, experienced diver and shared many tips and stories. It was one of the highlights of our holiday.” The guides aren’t just narrators; they are passionate about sharing their knowledge and making everyone feel safe and included, whether it’s their first snorkel or their tenth.
Throughout the excursion, professional photos and videos are captured of every participant. These are then provided as a gift at the end, which many travelers find incredibly valuable. Having visual memories of the underwater lava tongues and the marine environment adds a personal touch that keeps the experience alive long after the tour ends.
The tour is suitable for most travelers, including snorkelers of varying skill levels. The small group size ensures personalized attention, and the price point offers excellent value considering the expert commentary and photos included. Because weather can affect the activity, it’s recommended to confirm the booking beforehand and be aware that poor weather might lead to postponements or cancellations.

This boat trip caters well to those with a curiosity about volcanoes and geology, as well as adventurers eager for a marine-focused outing. Families, couples, or solo travelers who enjoy learning while exploring will find this especially appealing. The fact that the guides are biologists and geologists adds an educational richness that makes it suitable for curious minds and science lovers alike.
If you’re after a relaxing yet intriguing experience with plenty of photo opportunities, this excursion hits the mark. It’s not just about the sights—it’s about understanding the forces that shaped Tenerife and seeing them firsthand underwater.

This boat excursion to visit Tenerife’s underwater lava tongues offers a compelling combination of geological wonder, marine beauty, and expert storytelling. With a small group size, personalized guidance, and professional photos, it delivers excellent value. It’s perfect for those who want a deeper understanding of the island’s volcanic origins without lengthy or overly commercialized tours.
Travelers who appreciate knowledgeable guides, scenic vistas, and memorable keepsakes will find this experience engaging and rewarding. Whether you’re a geology enthusiast, a snorkeling novice, or simply looking for an unusual adventure, this tour gives you a chance to connect with Tenerife’s fiery heart in a fun, safe, and beautifully scenic way.

How long is the tour?
The excursion lasts approximately 2 hours, making it a perfect morning or early afternoon activity.
Where does the tour start and end?
It begins at Marina del Sur in Las Galletas and finishes back at the same point, simplifying logistics.
Is prior snorkeling experience required?
No, the tour is suitable for most travelers, including those new to snorkeling, thanks to the guided approach and small group size.
What is included in the price?
The fee covers the boat ride, expert guidance, and professional photos and videos taken during the trip.
How many people are in each group?
A maximum of 10 travelers ensures a personalized experience and ample attention from guides.
Can I cancel if weather is bad?
Yes, the tour offers free cancellation up to 24 hours in advance, and if canceled due to poor weather, you’ll get a full refund or rescheduling options.
What kind of marine life might I see?
While the main focus is on lava formations, the guides may describe the fauna that inhabits these underwater environments, adding an extra layer of interest.
Is this tour suitable for children?
Most travelers can participate, including families. However, parents should consider their children’s comfort on boats and in water environments.