Below the waters of James Bay, lies the RFA Darkdale shipwreck, one of Saint Helena Island’s most historically significant dive sites. Once a proud Royal Fleet Auxiliary tanker, she now lies in silence, a memorial to the 41 crew members who lost their lives when the ship was torpedoed during the Second World War.
The Sinking of the RFA Darkdale
On 22 October 1941, the British Royal Fleet Auxiliary vessel RFA Darkdale was anchored off Jamestown, Saint Helena Island, when she came under attack from the German submarine U-68, commanded by Karl-Friedrich Merten.
Four torpedoes struck her port side, igniting her cargo of oil and aviation fuel. Within minutes the tanker exploded and sank, taking all 41 crew members with her. It was the first Royal Fleet Auxiliary ship lost to enemy action during the war and remains the single greatest loss of life on an RFA vessel.
The tragedy marked Saint Helena’s brief but significant moment in global wartime history, connecting this remote Atlantic island to the wider conflict unfolding across the world’s oceans.
Rediscovery and Restoration
Although the wreck’s location was known to local fishermen and divers for decades, a detailed survey was conducted in 2010–2015 after small oil leaks were detected. The UK Ministry of Defence and Royal Navy Divers undertook a major clean-up operation, removing residual fuel and unexploded ordnance to protect the island’s fragile marine environment.
Following the operation, the Darkdale was declared environmentally safe and remains under continued monitoring. The site is now a protected military war grave under the UK Protection of Military Remains Act 1986.
The Wreck Today
The Darkdale lies in two main sections on the seabed at approximately 42 metres. Her bow and stern are both largely intact, and divers can still identify the vessel’s shape and superstructure. Time and salt have softened her edges, but her presence is unmistakable, a solemn monument in blue water.
Over the years, the RFA Darkdale Shipwreck has become an artificial reef, supporting an abundance of marine life. Corals, sponges, and soft sea fans encrust the steel hull, while groupers, moray eels, butterflyfish, and trevallies patrol the wreckage. The site is a haven for macro photography, with cleaner shrimp, blennies, and nudibranchs hiding among the corroded metal.
Diving the RFA Darkdale Shipwreck
Because of its depth and historic status, the Darkdale is suitable only for advanced or technical divers. Access is by boat from Jamestown Harbour, with most dive operators offering the site as part of guided wreck packages.
- Depth: 40 – 45 m
- Visibility: 20 – 30 m
- Currents: Generally mild, with occasional surge near the hull
- Certification: Advanced Open Water + Wreck Diver recommended
Divers must not enter or disturb the wreck; it is both a war grave and a protected site. Even without penetration, there is plenty to explore along the outer structure, and the play of light filtering through the water gives the dive an atmospheric beauty few sites can match.
A Memorial Beneath the Sea
A shore-side memorial in Jamestown lists the names of the men who perished aboard the RFA Darkdale. Each dive is a reminder of their sacrifice and of the island’s small but meaningful role in the war. Many divers describe the site as both haunting and peaceful, an underwater museum where history and nature coexist.
Plan Your Dive Adventure
The RFA Darkdale is part of the wider Saint Helena Shipwreck Trail, which includes 8 other famous wrecks such as the MV Frontier, SS Bedgelert, Atlantic Rose and SS Papanui. Together they tell the story of centuries of seafaring, trade, and conflict in one of the world’s most remote maritime crossroads.
Dive Saint Helena Island with Jenman African Safaris. Our tailor-made packages include diving, snorkelling, and island tours that reveal both the underwater world and the island’s fascinating cultural landmarks. Ending with a visit to South Africa’s iconic Kruger National Park.
Our featured experience is the:
- Saint Helena and Kruger Safari • 11 Days
Not a diver? You can still enjoy Saint Helena’s marine beauty with guided snorkelling trips, coastal cruises, or on-shore tours exploring sites such as Jamestown, Jacob’s Ladder, and Diana’s Peak National Park.
Start Planning:
Email: info@jenmansafaris.com
Phone: +27 21 683 7826
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