Latsis is the son of Marianna Latsis and Grigoris Kasidokostas, who was mayor of the affluent seaside town Vouliagmeni from 1986 to 2012, where he also ran a large water-ski school and was also a former polo player for Panathinaikos. His mother is a major philanthropist who donated funds for Greek earthquake relief and the Athens Olympics.
When his grandfather died in 2003, his fortune was estimated as the 101st largest in the world. Eventually the Latsis family expanded into banking, oil refining and real estate. As of March 2019 Forbes magazine estimated the Latsis family fortune at US$2.7 billion, placing them at No. 838 on the magazine's list of the world's richest people.
In 2005 he and Terry Dougas established the film production company 1821 Media which got its name from the Greek Revolution of 1821. Among the stars that have worked with the label are Natalie Portman, Stan Lee, Kevin Costner, Cameron Diaz, and Danny Trejo. Other labels that are in collaboration with 1821 Media are 20th Century Fox, Disney Pictures and Warner Bros.
In 2012, Paris Kassidokostas-Latsis living up to his family's shipping legacy, took over Latsco Shipping Ltd. In addition, he established Marla Bulkers and Marla Tankers in 2017 and 2018 to invest in second hand bulk carriers and second hand tanker respectively. The total fleet of Latsco and Marla is currently 35 vessels.
In May 2005, it was announced that Paris Latsis became the fiancé of American socialite, Paris Hilton. In September 2005, the couple broke off their engagement. Since 2015 he has been in a relationship with the Greek-Georgian singer Tamta.
- Λυσσέας, Χρήστος (18 December 2018). "Πάρης Κασιδόκωστας: Το gothic party γενεθλίων, οι λαμπεροί καλεσμένοι και οι εντυπωσιακές μεταμορφώσεις της Τάμτα! [pics, video]". TLIFE (in Greek). Retrieved 1 October 2019.
- "Ο άνθρωπος-θρύλος και ο Αστέρας Βουλιαγμένης" (in Greek). Kourdisto Portocali. 8 March 2016.
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- "About Us | 1821". Retrieved 25 February 2019.
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- Jaafar, Ali (19 May 2015). "Paris Kasidokostas-Latsis Launches Hercules Film Fund; First Project Tom Cruise-Doug Liman's 'MENA' – Cannes". Deadline. Retrieved 26 February 2019.
- "'American Made': Film Review". The Hollywood Reporter. Retrieved 26 February 2019.
- "Latsis sets up new Marla Tankers management". TradeWinds | Latest shipping and maritime news. 12 July 2018. Retrieved 25 February 2019.
- "Paris on Paris: I 'Love' Her". PEOPLE.com. Retrieved 26 February 2019.
- "Has Paris Hilton Been Engaged Before? Learn About Her Past Romances". Life & Style. 8 January 2018. Retrieved 26 February 2019.