The SMS Markgraf is a wreck dive site near Kirkwall, United Kingdom, in the Atlantic Ocean. It is one of the wrecks of three battleships of the German High Seas Fleet in Scapa Flow. The ship, reported at 175 metres or 146 metres long, was scuttled and sank in 1919. It lies at depths of 23 to 46 metres, with depth as a hazard. It is often thought of as the jewel in the Scapa Flow crown. Divers are welcome to enjoy and respect the wreck, but removing artefacts from it is illegal. Corals and fans are resident, with grey seals and moray eels occasionally seen.