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Explore the Dominican Republic's Most Spectacular Marine Environments

DIVE DEEPER WITH GRAND BAY OF THE SEA

Experience the ultimate Dominican Republic diving adventure with our exclusive liveaboard expeditions. Grand Bay of the Sea proudly offers premium multi-day journeys to the most pristine and rarely visited waters of the Dominican Republic. Leave the crowds behind and immerse yourself in extraordinary marine environments that can only be accessed by liveaboard vessel.

Our professional crew, accommodations, and exceptional dining create the perfect setting for the underwater adventure of a lifetime. Whether you're seeking vibrant coral reefs at Silverbank or majestic humpback whales in Samana Bay, our liveaboard experiences deliver unforgettable memories.

Wall Dive
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Sea Horse
Coral
Turtle
Sting Ray
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SILVERBANK EXPEDITION

Octopus
Departing from Sosua - Available June, July & August

Journey to the legendary Silverbank, a remote underwater sanctuary on the northern coast of the Dominican Republic. During summer months, this protected marine reserve offers exceptional diving among pristine coral formations and abundant marine life rarely visited by other divers.

WHALE WATCHING ADVENTURE

Whale Tail
Los Haitises to Cayo Levantado - Prime Season Janurary-March

Embark on an extraordinary whale watching journey through Samana Bay's most magical waters. Starting from the lush mangroves and limestone formations of Los Haitises National Park and culminating at the idyllic Cayo Levantado (Bacardi Island), this expedition offers unparalleled opportunities to observe magnificent humpback whales in their natural environment.