Dive Site: St. Didier Wreck

About St. Didier Wreck

The St. Didier Wreck, also known as the Saint Didier, is Antalya's most significant boat wreck, appealing to divers interested in history and underwater exploration. This French cargo ship, sunk on July 4, 1941, by British aircraft during World War II, rests on a sandy bottom about 1 km from Antalya Yacht Harbour. Its impressive length, reportedly around 70 meters (PADI) or 96 meters (Divein), and intact structure provide an extensive area for divers to explore. The wreck lies at an angle, with its bow pointing south and stern north, tilting approximately 35 degrees to the starboard side. The stern begins at roughly 15 meters, the deck is in the high teens, and the deepest point reaches about 30 meters. This creates a dive experience that feels like a controlled descent along a large steel silhouette, allowing for both exterior exploration and interior penetration opportunities for appropriately certified divers. While early salvage operations between 1946 and 1974 removed some cargo and remains, the wreck still holds wartime artifacts such as rifles, bombs, and even vehicle parts. The site attracts marine life, with large groupers, schools of barracuda, octopuses, and loggerhead sea turtles occasionally observed. Diving the St. Didier is best enjoyed from May through October, when conditions are generally clearer and warmer. This site requires boat access from Antalya Marina, and guided wreck diving is standard. Divers should be certified, maintain excellent buoyancy control, and practice conservative gas management, particularly when considering the numerous swim-through sections and the overhead environment within the wreck.

Dive site facts: St. Didier Wreck

Depth

15–34 m

Current

None

Visibility

6–30 m

Entry

Boat

Level

Intermediate to Advanced

Dive type

Wreck, Historical

Region / port

Antalya, Turkey

Coordinates

36.8826° N, 30.6988° E

Conditions & Currents

The St. Didier Wreck generally experiences minimal current, as noted in local research estimates, making it a relatively calm dive site. Entry is typically via boat, with divers descending onto the wreck from the surface. Visibility, however, can be variable, ranging from 6 meters to up to 15-30 meters depending on the season and local conditions. Although currents are usually absent, divers should be prepared for potential visibility fluctuations and manage their gas conservatively, especially when exploring deeper sections or considering swim-throughs. The wreck's depth profile requires careful depth and gas planning, suitable for certified divers familiar with wreck environments.

Marine life & sighting chances

Barracuda

common

Damselfish

common

Lionfish

May-October · common

Moray Eel

common

Nudibranch

common

Octopus

common

Scorpionfish

common

Grouper

June-October · common

Jackfish

September · occasional

Loggerhead Sea Turtle

occasional

Dive profile & how the dive runs

Diving the St. Didier Wreck typically begins with a boat entry from Antalya Marina, descending directly onto the wreck site. The stern is encountered first, resting at approximately 15 meters, while the deck lies in the high teens. Divers then follow the ship's length, which slants down to its deepest point at 30 to 34 meters. The route often involves exploring the exterior, observing the hull, superstructure, and any visible cargo. For suitably certified and experienced divers, specific swim-through sections are available. Turnaround points are determined by depth limits and gas consumption, ensuring a conservative dive plan. The ascent follows the wreck's slope, with the safety stop conducted in the shallower waters above the stern or off the main structure.

Underwater photography

The St. Didier Wreck provides excellent opportunities for wide-angle photography, capturing the immense scale of the 70 to 96-meter long vessel and its historical context. A wide-angle lens is ideal for showcasing the ship's overall structure, the large cargo holds, and any discernible artifacts such as rifles or bombs. For marine life, a macro lens can capture details of smaller inhabitants like nudibranchs, octopuses, and scorpionfish that inhabit the wreck. Strobes are essential to bring out colors and combat backscatter, especially given that visibility can sometimes be around 6 meters, though it can also be much clearer. Divers should maintain excellent buoyancy control to avoid disturbing sediment and to safely navigate swim-throughs without impacting the wreck. Ethical considerations include avoiding touching the wreck or marine life, and refraining from entering restricted or unstable overhead environments.

Combine with nearby dive sites

• Saint Efstathios Cave

  Guided Antalya cave dive under the Kaleiçi cliffs.

• Kaleiçi Diving Center Private Site

  City-center harbor dive with cave potential.

• Three Islands

  Massive diving area with nine distinct reefs and two underwater caves, near Antalya.

• DC-3 Aircraft Wreck

  Intentionally sunk passenger plane near Kaş, accessible at 19-20m.

• Canyon Dive (Kaş)

  Advanced site mixing caves, caverns, canyon walls, and two wrecks.

Getting there & logistics

Access to the St. Didier Wreck is exclusively by boat, typically departing from Antalya Marina. Divers are expected to use a local operator for mooring and comprehensive wreck briefings. The nearest major airport is Antalya Airport (AYT). Trips to the St. Didier are usually day trips, often combined with other local Antalya dive sites such as Saint Efstathios Cave or the Kaleiçi Diving Center Private Site. For a more extensive diving holiday in Turkey, divers might travel to other regions like Kaş for sites like the DC-3 Aircraft Wreck or Canyon Dive. Guided wreck diving is mandatory, and the dive requires appropriate certification for deep and wreck environments.

Safety & environment

Safety at the St. Didier Wreck prioritizes conservative diving practices due to its deep profile and overhead environments. Divers must maintain strict gas management and buoyancy control, treating any opening as potential overhead space. The wreck's depth range, extending to 34 meters, necessitates appropriate certifications such as Advanced Open Water Diver, Deep Diver, and Wreck Diver. The closest recompression chamber is located in Antalya, although specific details regarding emergency evacuation protocols should be discussed with your local dive operator. Comprehensive dive insurance covering dive accidents and potential evacuation is highly recommended for all participants. Always follow guide instructions for wreck entry and adhere strictly to your certification level, avoiding any penetration beyond your training or comfort zone.

Who it suits — and who it doesn't

FAQ

St. Didier Wreck FAQ

Liveaboards diving St. Didier Wreck

These liveaboards may visit St. Didier Wreck on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Okyanus JD

Turkey

12 guests24 m

$157/day