Robinson Crusoe Island (SMS Dresden)

San Juan Bautista · Juan Fernandez Archipelago · Chile

Robinson Crusoe Island, the largest of Chile's remote Juan Fernandez Archipelago, is named after the literary castaway but holds a far more dramatic real history beneath its waters. Located approximately 670 kilometres off the Chilean coast, this volcanic island is perhaps best known among divers for the wreck of SMS Dresden, a German World War I light cruiser that met its end in Cumberland Bay in March 1915. The SMS Dresden had been the sole survivor of the German East Asia Squadron's defeat at the Battle of the Falkland Islands. For three months, she evaded British warships across the Pacific before being tracked to Cumberland Bay. Cornered by HMS Kent and HMS Glasgow, the German captain chose to scuttle his ship rather than surrender. The wreck now lies on the bay floor, a poignant historical time capsule from the early days of modern naval warfare. Beyond the wreck, Robinson Crusoe Island offers diving that is biologically extraordinary. The Juan Fernandez Archipelago has one of the highest rates of marine endemism anywhere on Earth, meaning a remarkably high percentage of the species you encounter here live nowhere else. The Juan Fernandez fur seal, once hunted to the brink of extinction and believed lost, was rediscovered and now has a recovering population around the islands. Diving with these rare pinnipeds is a highlight that few people on Earth have experienced. The underwater terrain is volcanic, with dramatic rock formations, walls dropping from 25 to 45 metres, and boulder fields covered in anemones and kelp. Visibility ranges from 15 to 30 metres, best during the calmer summer months from October to March. Water temperatures swing from 14 to 21 degrees Celsius, requiring adequate thermal protection. Diving infrastructure on Robinson Crusoe Island is minimal, reflecting its tiny population of about 900 people in San Juan Bautista. Advance planning is essential, and divers should be self-sufficient and comfortable with limited support. But for those willing to make the journey, the combination of a WWI warship wreck, endemic marine species, and the sheer romantic isolation of Alexander Selkirk's island creates a dive experience that exists nowhere else on Earth.