Azzam officially became the largest yacht on the high seas when it launched in Germany earlier this week.
While its new owner is unconfirmed, it's believed to have been constructed for an Arab royal and cost around $627 million to build.
How does Azzam stack up? Here are the 22 largest yachts in the world, based on a larger list from Superyacht Times (head there to see the 100 biggest yachts).
22. Roman Abramovich's "Luna" — 377.3 feet long (2010)
21. Roman Abramovich's "Pelorus" — 377.3 feet long (2003)
20. "Issham Al Baher" — 379.79 feet long (1973)
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