Witness nature’s glow in Grand Cayman’s world-famous Bioluminescent Bay, where millions of microscopic plankton illuminate the water with every movement. This unforgettable evening boat tour invites you to swim among the stars—or simply enjoy the glowing display from the deck—as our expert local guides share the fascinating science and stories behind this rare natural phenomenon.
The adventure begins at Starfish Point, where you’ll have a chance to explore the calm, shallow waters and discover the curious upside-down jellyfish that call it home. Then, under the night sky, we head to Bio Bay for the main event—a glowing swim you’ll remember forever.
Whether you dip in or stay dry, this magical two-stop tour is a must during your visit to Grand Cayman.
Complimentary shuttle service is available to and from resorts, condos, and Airbnbs within the Seven Mile Beach area. Once your booking is confirmed, we’ll send you the exact pick-up time. To help us provide a seamless experience, please share the full name of your accommodation. We kindly ask that you be ready and waiting at least 5 minutes prior to your scheduled pick-up time since our drivers cannot wait longer than 5 min at the lobby.
Your tour will depart from Captain Marvin's dock, located at Raleigh Quay. Please be here 30 minutes before your trip time. Our driver, who will be wearing a polo shirt with our logo, will call out your name upon arrival. Please note that the driver can wait for a maximum of 5 minutes.
Prepare for an unforgettable island adventure! Your journey begins with a scenic 40-minute drive across Grand Cayman’s breathtaking landscape, heading toward the island’s stunning East End. Next, you’ll arrive at the iconic Starfish Point, one of the Cayman Islands' most beloved sunset spots. As the golden light reflects off the calm, crystal-clear waters, you’ll have the perfect chance to snap incredible photos and soak in the beauty of this serene coastal gem. A must-do experience during your Cayman getaway—relax, explore, and let the magic of the moment take over.
Uncover one of Grand Cayman’s most enchanting secrets in the tranquil waters of Cayman Kai—a glowing bioluminescent bay that comes alive after dark. Guided by local experts, you'll slip into the warm, calm water for a magical swim as millions of microscopic plankton light up around you with every movement, creating a surreal underwater glow. After this once-in-a-lifetime experience, sit back and relax as we take you comfortably back to your accommodation. Share your stories, relive the magic, and enjoy the peaceful ride home. Escape the crowds and dive into a rare natural wonder—this is Grand Cayman like you’ve never seen it before.
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For a full refund, cancel at least 24 hours before the scheduled departure time.
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You can cancel up to 24 hours in advance of the experience for a full refund.
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