Wall · Wreck · Reef · Drift · Seamount · Drop-off

Prepare for an exhilarating liveaboard-only adventure at Big Brother Island, one of the Red Sea's most iconic and demanding dive sites. Rising dramatically from depths exceeding 800 meters, this isolated pinnacle, crowned by a historic 1883 British-built lighthouse, offers an unparalleled diving experience for those with an Advanced Open Water certification and a good level of experience.
Big Brother Island is renowned for its vibrant, current-swept walls, which are cloaked in some of the Red Sea's richest soft corals and magnificent giant gorgonians. Divers will find breathtaking drop-offs and a healthy reef system teeming with life. The strong currents, often flowing from north to south, are a defining characteristic of this dive site, nourishing the corals and attracting an abundance of pelagic marine life. Due to these challenging conditions, negative entries are often required, and divers must be proficient in drift diving and buoyancy control. Water temperatures typically range from 22°C to 30°C, offering comfortable diving conditions year-round, though cooler temperatures might be encountered in winter months.
Adding to the allure of Big Brother Island are two spectacular wrecks resting on its northern slope, providing a captivating blend of history and marine habitat:
It is often possible to dive both wrecks in a single dive, making for an unforgettable experience.
Big Brother Island is a hotspot for large pelagics, making it a dream destination for shark enthusiasts. Divers will frequently encounter curious Oceanic Whitetip Sharks patrolling the blue, a signature sight of the Brothers Islands. Keep an eye out for Scalloped Hammerhead Sharks, especially during the spring and summer months, and the graceful Pelagic Thresher Sharks, often spotted in the early mornings during cooler seasons (November to March) near cleaning stations on the southern plateau. Grey Reef Sharks and Silvertip Sharks are also common residents.
Beyond the sharks, the vibrant reef walls are home to an incredible diversity of marine life. Divers can expect to see schooling Dogtooth Tuna and Giant Trevally, along with various reef fish such as anthias, butterflyfish, angelfish, and surgeonfish. Look into the crevices for moray eels and keep an eye out for Napoleon wrasse and several species of turtles, including green, loggerhead, and hawksbill.
This dive site is strictly for advanced divers due to the strong currents, significant depths, and potential for decompression obligation. We recommend divers have a minimum of 50 logged dives and solid experience with drift and deep diving. Surface conditions can be rough, making entries and exits from zodiacs challenging. Divers must carry appropriate surface signaling devices, such as an SMB, at all times. Night dives are prohibited in this protected marine park. While thrilling, encounters with dangerous marine life, particularly sharks, should always be approached with respect and caution.
Big Brother Island promises an unforgettable experience, combining world-class wreck diving with spectacular coral reefs and thrilling pelagic encounters, making it a true bucket-list destination for experienced divers.
Typical current strength at this dive site
Powerful current. Advanced certification and drift dive experience required. Follow guide instructions.
Strength Scale
None
Mild
Moderate
Strong
Monthly conditions and seasonal highlights — tap a month
Peak diving season with optimal visibility, calm seas, and best marine life encounters. Notable sightings: Scalloped Hammerhead Shark.
7 species recorded at this site
Oceanic Whitetip Shark
Carcharhinus longimanus
Oct, Nov, Dec

Scalloped Hammerhead Shark
Sphyrna lewini
Jun, Jul, Aug

Grey Reef Shark
Carcharhinus amblyrhynchos
Silvertip Shark
Carcharhinus albimarginatus

Pelagic Thresher Shark
Alopias pelagicus
Oct, Nov, Dec

Dogtooth Tuna
Gymnosarda unicolor

Giant Trevally
Caranx ignobilis
Be aware of these potential hazards at this dive site
Strong current
HighStrong, unpredictable currents demand drift-diving experience
Depth
HighWalls plunge to 800 m with no bottom reference
Decompression obligation
HighDeep walls and wreck profiles routinely require staged decompression
Sharp metal
MediumCorroding wreckage on the Numidia and Aida wrecks
Overhead environment
MediumWreck penetration on the Numidia/Aida requires Wreck Diver training
Dangerous marine life
MediumOceanic whitetip sharks are regular open-water visitors, Oct–Dec
Certification Required
A minimum of Advanced Open Water certification is required to dive this site.
Immersive panoramic view of this dive site
360° panorama coming soon
Immersive underwater views will be available when panoramic imagery is uploaded
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Vertical range at this site
Minimum Depth
16 ft
Shallowest point
Average Depth
98 ft
Typical dive depth
Maximum Depth
131 ft
Deepest point
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