YD1015 Sportfish Delivered; Named "Lanakai" As promised, New Zealand builder Yachting Developments delivered their latest yacht before the end of the year (2017). The yacht they were working on for the past few years was a sportfish yacht made from carbon and built under their construction number YD1015. The yacht now delivered represents the largest Carbon-built sportfish vessel in the world. Every-since launch her name boards on her sides were covered up and no visible name on her transom. Now we can tell you that her final name is "Lanakai".