ST. THOMAS HIKING FIELD GUIDE
Cas Cay in Five Hours: Paddle the Mangrove Lagoon, Hike Volcanic Cliffs, Snorkel the Nursery
A compact, five-hour guided outing that paddles through a sheltered lagoon to the deserted island of Cas Cay for a cliffside hike, a picnic lunch, and a 45-minute guided snorkel in a mangrove nursery.
Cas Cay in Five Hours: Paddle the Mangrove Lagoon, Hike Volcanic Cliffs, Snorkel the Nursery.
Embark on an unforgettable five-hour excursion to the secluded island of Cas Cay. The outing threads a kayak route through a vivid mangrove lagoon, deposits you on a deserted island for a hike past volcanic cliffs and a geological blowhole, includes a picnic lunch with your guide, and returns you to shore after a guided snorkel in a living mangrove nursery.
Highlights
Outing Highlights
Lagoon to Deserted Island
You paddle through the Mangrove Lagoon to Cas Cay, arriving on a pristine, deserted island that frames the day’s hike and exploration.
Mangrove Nursery, Guided and Focused
A 45-minute guided snorkel brings you into the mangrove nursery—an underwater nursery habitat where marine life concentrates and the guide leads observations.
Picnic Lunch Included
The tour includes a picnic lunch served with the group during the island portion of the trip, adding a practical comfort to a very active half-day outing.
What the day feels like
What the Five-Hour Flow Feels Like
The day moves in clear segments: a paddle out across the lagoon, a guided shorewalk on Cas Cay that passes volcanic cliffs, a geological blowhole and rubble beaches, a relaxed picnic lunch with your guide, a focused 45-minute snorkel in the mangrove nursery, then a paddle back to the Mangrove Lagoon Marina—compact, varied, and concentrated on the island’s geology and coastal ecosystems.
Suitability
Who it's for
Who this tour suits — and who it excludes.
Practical planner
Details to review before reserving
A picnic lunch is provided as part of the tour.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the Mangrove Best of Kayak, Hike & Snorkel Tour?
The tour lasts five hours.
Where is the meeting point for the tour?
Meeting location: 6526 Estate Nadir, St. Thomas USVI.
What activities are included on the itinerary?
The itinerary includes kayaking through the lagoon to Cas Cay, hiking the deserted island to visit volcanic cliffs, a geological blowhole and rubble beaches, a picnic lunch with the guide, a 45-minute guided snorkel in the mangrove nursery, and paddling back to the Mangrove Lagoon Marina.
Is lunch included on the tour?
Yes — a picnic lunch with your guide is included.
What is the minimum age to participate?
The tour accepts guests ages 2 and up.
How long is the snorkeling portion?
The guided snorkel in the mangrove nursery is 45 minutes.