Moors Arch Deep
Dive site in Rivière du Rempart, Mauritius
50–60 m
Boat
Technical
Deep
Moors Arch Deep (Arche Moors Profonde) is a technical deep dive located off the northern coast of Mauritius, featuring a dramatic arch formation resting at 50–60 m. The site offers a striking combination of geological structure, clear blue water and the quiet, atmospheric feeling unique to deep reef environments.
This dive is reserved for experienced technical divers trained in deep decompression procedures and appropriate gas mixes. Its depth, exposure and overhead features make it a demanding but unforgettable exploration for those qualified to visit it.
Dive Site Photo Gallery - Moors Arch Deep
A Deep Arch in the Blue
The defining feature of Moors Arch Deep is its large, sculpted arch set against a sloping deep reef. The structure is wide and stable, allowing divers to pass beneath it while maintaining clear ascent routes. Light penetration remains excellent, creating a dramatic contrast between the arch silhouette and the deep blue water surrounding it.
Depth, Conditions and Technical Requirements
The site lies between 50 and 60 m, well beyond recreational limits. Divers must be trained in deep decompression diving and use appropriate gas mixes such as trimix to manage narcosis and gas density. Conditions are generally calm, but the depth and exposure require precise planning, disciplined gas management and controlled ascent procedures.
Marine Life in the Deep Zone
The deep reef hosts species adapted to lower light levels, including large groupers, deep-dwelling snappers and occasional pelagic visitors passing through the blue. The arch itself is covered in encrusting sponges, black corals and other organisms typical of deeper reef environments. While not as densely populated as shallow reefs, the site offers a unique and serene deep-water ecosystem.
A Dive for Experienced Technical Explorers
Moors Arch Deep is a dive that rewards preparation, discipline and experience. Its combination of geological beauty, depth and atmosphere makes it a memorable objective for technical divers seeking a challenging and visually impressive deep site.