It is located close to the Osman Gazi Bridge in the Shipyards Area of Altınova district in Yalova Province, Turkey.

In the last ten years, 29 ships have been built at the shipyard, including tugboats, fireboats, salvage tugs for the Turkish Directorate General of Coastal Safety, an LPG carrier for Italy, car ferries for Estonia and Norway, a 18 MW icebreaker for Russia,[3] and well-boats.

[2] In 2015, Sefine Shipyard delivered Turkey's first emergency response vessel, the ERV Nene Hatun to the Directorate General of Coastal Safety.

[6] The 84.5 m (277 ft)-long ferry MF Sildafjord of the Norwegian Fjord1 ASA, which can carry 299 passengers and 83 vehicles, was launched in July 2019,[7] and delivered in May 2020.

[13][14] In 2021, the shipyard was awarded an order by the Italian Caronte and Tourist to build a 109.95 m (360.7 ft)-long SOLAS-compatible 8,300 GT LNG hybrid ro-pax ferry for 800 passengers and crew and 114 vehicles.