Reef · Wall · Drift · Drop-off · Swim-through
Elphinstone Reef

About This Dive Site
Elphinstone Reef: The Red Sea's Adrenaline-Fueled Pelagic Playground
For advanced divers seeking an unparalleled thrill, Elphinstone Reef stands as one of the Red Sea's most legendary dive sites. Located approximately 30 kilometers north of Marsa Alam, this cigar-shaped reef is marooned in the open sea, promising dramatic topography and exhilarating encounters with large pelagic species.
Dive Site Features and Topography
Elphinstone Reef is a long, narrow reef, roughly 350 meters in length, oriented north to south. Its sheer walls plunge dramatically to depths exceeding 100 meters, offering breathtaking drop-offs that are carpeted in vibrant soft corals, sea fans, and gorgonians. Divers will find two prominent plateaus at either end of the reef. The northern plateau typically starts around 18-25 meters and slopes down to approximately 40 meters, while the southern plateau begins at about 25 meters and drops steeply into the abyss. Recreational diving at Elphinstone generally takes place above 30-40 meters, where the most abundant coral and marine life can be observed. At the southern tip, a mythical arch tunnel sits at 50-60 meters, a feature strictly reserved for qualified technical trimix divers. On the northern plateau, divers can also discover "The Crack," a fissure in the reef floor at around 30 meters that opens onto a deeper plateau, offering a unique perspective into the blue for those staying above recreational limits.
Diving Conditions and Marine Life
Elphinstone is renowned for its strong and often unpredictable currents, which typically run from north to south. These currents, while challenging, are precisely what sweep nutrient-rich waters past the reef, attracting an incredible array of pelagic marine life. Water temperature at Elphinstone Reef ranges from a cooler 20°C in January to a warm 30°C in August, allowing for year-round diving.
The dive site is a hotspot for shark encounters. Oceanic Whitetip Sharks are year-round residents, with peak sightings occurring from September to November, often patrolling the shallows and offering signature close-up encounters. Divers can also frequently encounter Scalloped Hammerhead Sharks, particularly around the northern plateau in the early morning hours. Other majestic creatures you can encounter include Grey Reef Sharks, Pelagic Thresher Sharks (more common in winter), and the elegant Reef Manta Ray, which can be seen between May and July. Beyond the sharks, the reef teems with Humphead Wrasse (Napoleon), Dogtooth Tuna, Giant Trevally, and Bottlenose Dolphins.
Certification and Safety
Given the strong currents, potential for deep dives, and the open-ocean location, Elphinstone Reef is classified as an advanced dive site. We recommend that divers hold an Advanced Open Water certification and have a minimum of 50 logged dives to fully appreciate and safely navigate this challenging environment. Hazards include strong currents, the potential for dangerous marine life encounters, decompression obligation, and boat traffic. We advise carrying essential safety equipment such as a Surface Marker Buoy (SMB) and a dive computer.
Why Dive Elphinstone Reef?
Elphinstone Reef offers an exhilarating drift diving experience along its vibrant walls and plateaus. It's a prime location for those seeking thrilling pelagic encounters and dramatic underwater landscapes adorned with flourishing corals. Every dive here promises an adventure, making it a must-visit destination for experienced divers in the Red Sea.
Current Conditions
Typical current strength at this dive site
Strong
Powerful current. Advanced certification and drift dive experience required. Follow guide instructions.
Strength Scale
None
Mild
Moderate
Strong
Best Time to Visit
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, Reef Manta Ray.
Marine Life
9 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

Pelagic Thresher Shark
Alopias pelagicus

Reef Manta Ray
Mobula alfredi
May, Jun, Jul, Aug

Humphead Wrasse (Napoleon)
Cheilinus undulatus

Dogtooth Tuna
Gymnosarda unicolor

Giant Trevally
Caranx ignobilis

Bottlenose Dolphin
Tursiops truncatus
Hazards & Safety
Be aware of these potential hazards at this dive site
Strong current
HighCurrents can be fierce and unpredictable, sweeping across the plateaus
Dangerous marine life
HighOceanic whitetip sharks patrol open water off the reef, Oct–Dec
Decompression obligation
HighDeep walls and the 50 m+ arch tunnel invite mandatory deco
Depth
HighWalls plunge past 100 m with no bottom reference
Boat traffic
MediumPopular day-boat site with heavy surface traffic
Certification Required
A minimum of Advanced Open Water certification is required to dive this site.
360° Underwater View
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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Depth Profile
Vertical range at this site
Minimum Depth
3 ft
Shallowest point
Average Depth
82 ft
Typical dive depth
Maximum Depth
131 ft
Deepest point
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