One party, a whole day in our Private Tours comparison.
Trade-off: Per person for the day; moon and weather decide.
Last checked: September 19, 2026. Commissions never affect our verdicts.
A private full day for one party: snorkeling in the cays, sunset on the water and a swim in a bioluminescent bay, with a filmed record of the glow when conditions allow and a dinner table reserved for you. Priced per person for the whole day, and it lives or dies by the moon and weather. 4.61 from 56 reviews at €797 per person.
Mystic Waters Under the Sun & Stars is the most intimate and cinematic way to interact with nature, an experience unlike any other in Puerto Rico. More than a tour, this is the first and only private, fully guided, snorkeling, sunset and bioluminescent swim experience in the Puerto Rico. Safe even for non-swimmers, toddlers, and seniors, it’s a rare adventure where comfort, storytelling, and nature’s magic unite. Every step of the way, your expert guide and host — Carlos Alexis, Puerto Rico’s most respected private historian and bioluminescence filmmaker, ensures you’re not just witnessing nature’s wonders, but immersed in them: safely, comfortably, and meaningfully.
Includes Snorkeling gear and High-End Professional Video Capture of Your Swim Using National Geographic-Level Gear when conditions allows it.
As seen in ABC Caribbean, Ritz Experiences, and St. Regis Experiences
The Same Experience Booked by Professional Athletes, Hollywood Stars, and Corporate Executives
This tour runs daily, departing at 10:00, 14:00. It runs year-round. These are the operator’s scheduled departures, not a live seat count: availability is confirmed at checkout. Schedule last checked September 19, 2026.
Arrive to the Vanderbilt's lobby and head towards the bar area. Carlos Alexis himself will be waiting for you there to welcome and take you to the most magical and unforgettable experience in all Puerto Rico.
Arrive to the Vanderbilt's lobby and head towards the bar area. Carlos Alexis himself will be waiting for you there to welcome and take you to the most magical and unforgettable experience in all Puerto Rico.
For a full refund, cancel at least 24 hours before the scheduled departure time.
| 1+ days | Full refund |
| 0-1 days | No refund |