




Available languages
5 hours
Mobile ticket
This Kayak, Hike, and Snorkel Adventure is the best way to explore the Mangrove Lagoon in St. Thomas as well as the island of Cas Cay. With an expert guide leading you the way, delve deep and learn about the unique mangrove ecosystem brimming with wildlife both above and below the water. Kayak through the narrow waterways of the mangrove trees, hike to volcanic cliffs and a rare geological blowhole, and snorkel among coral reefs, keeping your eyes peeled for stingrays and other marine life.
Service animals allowed
Public transportation options are available nearby
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Travelers should have at least a moderate level of physical fitness
Children must be accompanied by an adult
A moderate amount of walking, paddling, and snorkeling is involved
Not recommended for travelers with recent surgeries, arm, hand, wrist, hip, knee, ankle or foot problems.
Additional sanitation measures taken on site for COVID-19
Virgin Islands Ecotours
Starting point
Explore Cas Cay
Bottled water
Use of kayak and snorkel equipment
Professional guide
Lunch
Gratuities
Souvenir photos (available to purchase)
Option for Round Trip Transportation available if option selected
For a full refund, cancel at least 24 hours before the scheduled departure time.
305 reviews
Total reviews and rating from Viator & Tripadvisor
Kalisimon,Jun 28, 2026
- Review from Tripadvisor
We had a fun time! Totally worth it with how beautiful the entire area is.

Jamese H,Jun 21, 2026
- Review from Tripadvisor
This experience was amazing and worth every cent. Alonzo was a phenomenal tour guide. From the love tunnel to the various sea creatures and soldier crabs along the way I learned so much. Not to mention it was a good work out and well balanced. I would highly recommend this tour for anyone looking for a little adventure.
Charlene U,Jun 18, 2026
- Review from Tripadvisor
Great guide. Fun to see the local ecology.
T6532FWerinb,Jun 15, 2026
- Review from Tripadvisor
Fantastic experience with a wonderful tour guide named Alonso. We saw starfish, jellyfish, seas urchins, a shark, and more!! Great bang for your buck and you can choose to buy a photo pack at the end that the guide takes throughout the experience.
laylasD6549ZI,Jun 15, 2026
- Review from Tripadvisor
Alonso was great! Was very enthusiastic and informative. We got to see so many fish and a shark. He caught jelly fish, sea cucumber, sea urchins and more for us to feel!
E8429TVtatianag,Jun 14, 2026
- Review from Tripadvisor
It was a great tour . We had an awesome tour guides Alanzo. Kelly. Daniel. It was 3 hrs long with a lot to see
Relax48400520072,Jun 14, 2026
- Review from Tripadvisor
Best time i had in a long time. Great. Marvelous. Wonderful. What an experience. I'll be back with more ppl. Orlanzo, Derrick, Kelly did a great job.

chanmZ7782FG,Jun 14, 2026
- Review from Tripadvisor
One of the best experience of of all times. Alonso is the best 10/10
580aaliyahb,Jun 14, 2026
- Review from Tripadvisor
Great experience your guide was very knowledgeable
stephsownemail,Jun 6, 2026
- Review from Tripadvisor
Perez was an amazing guide!! Loved this tour
Operated by Virgin Islands Ecotours