

Best for intermediate divers, 15-50m, boat entry, mild current.
Grand Bleu offers a varied underwater experience off Silhouette Island, combining reef, wall, and drift diving. The site features a wall that descends from 15 metres to a maximum depth of 50 metres. Due to the significant depths and potential for overhead environments within caves and wrecks, this site is suited for intermediate divers with Advanced Open Water certification. Conditions include mild currents and visibility ranging from 15 to 30 metres. Divers should exercise caution regarding stonefish, sea urchins, and lionfish present on the reef structure. A boat is required to access the site, and guided tours are recommended to navigate the drop-off orientation effectively.
-5.42043, 53.31442
Book a guided boat dive rather than attempting to navigate the wall independently, as the drop-off orientation can disorient divers unfamiliar with the site. Night diving is available here and tends to bring different reef activity worth planning a second dive around.
Access is by boat.
Recorded at this site
Depth
15-50m
Visibility
15-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
24-29°C
Current
Mild
Typical Dive
45 min
Best Time
Jul, Nov
The site ranges from 15 metres to a maximum depth of 50 metres, with an average depth of 15 metres.
No, this site is intended for intermediate divers, and Advanced Open Water certification is required due to the depth and technical nature of the wall and overhead environments.
Access to Grand Bleu is by boat only. Guided boat dives are recommended to help navigate the wall and drop-off orientation.
Divers should be cautious of stonefish, sea urchins, and lionfish on the reef. Additionally, maintain awareness of depth and entanglement risks in restricted areas like caves and wrecks.
Yes, night diving is available at Grand Bleu and offers different reef activity compared to daytime dives.
Diving at Grand Bleu in Outer Islands requires the following certifications: Open Water, Advanced. Always dive within your training limits.
Yes, equipment rental is available at or near Grand Bleu in Outer Islands. Contact local dive operators for specific gear availability and prices.
A 3mm wetsuit is recommended for diving at Grand Bleu in Outer Islands. Water temperatures range from 24°C to 29°C.
The best months to visit Grand Bleu in Outer Islands are July and November. Conditions outside these months can still be good but are less predictable.
Grand Bleu in Outer Islands typically has mild currents that most divers can handle comfortably.
Visibility at Grand Bleu in Outer Islands typically ranges from 15 metres to 30 metres. Conditions vary with weather, tides, and seasons.