Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124

Discover Tenerife's underwater lava tongues with this 2-hour guided boat tour from Las Galletas, offering expert insights and stunning volcanic views.
Explore the unique underwater volcanic formations of Tenerife on this Boat Excursion to visit underwater lava tongues. Priced at $58.11 per person, this 2-hour guided boat trip departs from the marina in Las Galletas and takes you along the southeastern and southwestern coasts of the island. Led by experienced guides with over 30 years of water and underwater activity expertise, the tour combines scientific insights with breathtaking scenery, making it an enriching experience for those interested in geology and marine life.
The tour emphasizes the formation of Tenerife, both above and below the water, allowing participants to see the island’s volcanic origins firsthand. It is especially suited for small groups, with a maximum of 10 travelers, ensuring a more personalized and engaging experience. The activity is suitable for most travelers, with good weather being a key factor, and includes a mobile ticket for convenience. Bookings are typically made 79 days in advance, reflecting its popularity.


This tour begins at Marina Del Sur in Las Galletas, a convenient spot close to public transportation. The boat leaves from this port, heading southwest and southeast along Tenerife’s coast to explore the volcanic features directly visible from the sea. The meeting point is easy to access, making check-in straightforward.
The duration of approximately 2 hours makes it an ideal short activity, fitting well into a day of sightseeing or other island adventures. Because the tour uses a mobile ticket, reservation and check-in are quick and hassle-free.
Enjoy being on the water? Here are other boat experiences we've looked into in Tenerife

The core of this excursion is the visit to lava tongues, which are lava flows that have made contact with the Atlantic Ocean. These formations exhibit the beautiful and dramatic orography that results from volcanic activity. As the boat stops at several key lava tongues, you’ll observe the geological features created by Tenerife’s volcanic history.
The guides, with deep knowledge of the island’s geology, explain how these lava formations have shaped the island’s landscape. They also highlight the marine fauna inhabiting these volcanic bottoms, adding an ecological perspective to the visit. Watching these lava flows in contact with the sea offers a rare glimpse into the island’s fiery origins.

This tour is led by monitors with over 30 years of experience in water activities, combined with backgrounds in biology and geology. Their expertise ensures a safe and engaging experience, with clear explanations of Tenerife’s orography both on land and underwater.
Throughout the trip, the guides take photos and videos of the scenery, which are then given to participants as souvenirs. Their storytelling enriches the experience, making complex volcanic processes accessible and fascinating.

The boat explores key lava formations along the southeast and southwest coasts of Tenerife. Each stop showcases different volcanic features, from lava flows in contact with the sea to impressive underwater landscapes.
These stops offer opportunities for observation of marine fauna inhabiting the volcanic bottoms. The orographic variety of the seafloor provides a scenic backdrop for photography and learning, with the guides pointing out the geological significance of each site.

The real highlight is the chance to see the volcanic activity that formed Tenerife, both on the outside and inside. Unlike typical boat trips, this excursion emphasizes the island’s volcanic origin, giving participants a visual and educational perspective.
In addition, the underwater lava tongues are a rare sight, and the trip’s focus on marine geology makes it stand out from more traditional boat tours. The experience allows visitors to see the direct impact of volcanic processes that shaped the island.

The tour is designed for small groups of up to 10 travelers, ensuring a more personalized experience. The activity includes a full refund if canceled at least 24 hours in advance, offering flexibility for weather conditions.
Because the tour depends on good weather, poor conditions may lead to cancellation or rescheduling. In such cases, participants are offered the option of a different date or a full refund. The meeting point is near public transportation, making it easy to reach.

What truly sets this tour apart is the combination of expert guidance, scientific insight, and marine scenery. The guides’ 30+ years of experience ensures safety and depth in explanations, making it suitable even for those with a curiosity about geology or marine environments.
The photos and videos provided at the end add value, allowing visitors to relive the experience and share the volcanic sights with friends and family. With an excellent 5.0/5 rating based on 20 reviews, this tour clearly meets expectations for quality and interest.

This excursion is ideal for geology enthusiasts, marine life lovers, and those interested in volcanic activity. It also suits families or small groups who appreciate personalized attention and engaging guides. Since snorkeling is not specified as part of the activity, it’s suitable for those who prefer boat-based sightseeing with educational focus.
Travelers seeking a short, impactful activity with memorable photo opportunities will find this trip particularly rewarding. It’s a great option for a half-day adventure that combines learning with stunning views.
“We had a fantastic couple of hours. Paco our host was a fascinating, experienced diver and as well as providing a safe and enjoyable activity, he s…”
What is the price of this tour?
The tour costs $58.11 per person for approximately 2 hours of guided exploration.
Where does the tour start?
It departs from Marina Del Sur in Las Galletas, Tenerife, with the meeting point easy to access near public transportation.
How long does the tour last?
The activity lasts around 2 hours, making it a perfect short outing.
What are the main highlights?
Highlights include visiting lava tongues, observing underwater volcanic formations, and learning about Tenerife’s geological origins from experienced guides.
Is there any physical requirement?
Most travelers can participate; the tour is suitable for a variety of ages and fitness levels, but good weather is essential.
Can I cancel if my plans change?
Yes, the tour offers free cancellation up to 24 hours in advance for a full refund.
Will I get photos of the trip?
Yes, pictures and videos are taken during the excursion and provided to participants at the end.
What makes this tour unique?
It combines scientific explanation with spectacular volcanic views and features a small group setting for a more tailored experience.
Is snorkeling included?
No, the tour focuses on boat sightseeing and educational commentary about the volcanic landscape.
What should I bring?
Participants are advised to wear comfortable clothing suitable for outdoor activity and be prepared for sun exposure. The tour provides an educational experience without requiring specific gear.
Can this tour be booked in advance?
Yes, bookings are typically made 79 days in advance, reflecting its popularity.
This Boat Excursion to visit underwater lava tongues offers an engaging way to discover Tenerife’s volcanic history from the sea, supported by expert guides and stunning geological sights. It suits those eager to combine education with scenic beauty in a small-group setting.