This dive site, Passe Dubois, is nestled within the remote and pristine Aldabra Atoll, a UNESCO World Heritage site located in the Outer Islands of Seychelles. As one of the largest raised coral atolls globally, Aldabra is an immense nature reserve celebrated for its exceptional biodiversity. Passe Dubois is primarily explored as a drift snorkeling experience, where participants gently navigate the pass, carried by natural currents, allowing for a relaxed observation of the underwater world. Access to this extraordinary location is exclusively via specialized expedition cruise ships, which ensures minimal human impact and preserves its ecological integrity, making every visit a unique privilege.
The vibrant waters of Passe Dubois are a rich habitat for a diverse array of marine life. Visitors have excellent opportunities to spot several species of sharks, including reef sharks, and encounter majestic sea turtles gracefully swimming through the pass. The site teems with a multitude of reef fish, showcasing the health of the coral ecosystem. While specific coral types are not detailed, the protected status and general health of Aldabra suggest a thriving hard and soft coral environment, providing shelter and sustenance for the abundant fish life.
The optimal time to explore Passe Dubois largely depends on the schedules of the expedition cruises to Aldabra. Generally, the dry season from May to October offers calmer seas and clearer conditions, enhancing the snorkeling experience. With a maximum depth of 10 meters and gentle currents, Passe Dubois is perfectly suited for snorkelers and freedivers seeking an immersive encounter with large pelagic species and vibrant reef life in a pristine, shallow environment. For scuba divers, while the depth is limited, the sheer biodiversity and remote beauty offer a unique, relaxed dive experience, particularly for wide-angle photography.

