She was a cargo ship under the flag of Belgium transporting cotton and corn. On the 4/10/1957 she sailed from Lavrio to Mytilene and crashed into Tripiti Reef (northwest of Macronissos) she sank in two locations. The after part of the ship sank at the point where the ship crashed and can be seen in this video and is situated at a maximum depth of 40 meters. The fore part of the ship “sailed” for a distance before sinking in the area of ​​Agios Georgios.

The remnants of the SS Portugal are scattered on a slope starting from 24 meters and reaching approximately 40 meters. She sank two hundred meters North West of Macronissos. Items such as the propeller and engine have been removed from the wreck. The wreck is on a North to South axis, offering an excellent dive at the reef of Tripiti. An excellent dive for the wreck enthusiasts due to the shallow depth and clear blue waters in which the ship can be found.