These are the world's most expensive yachts presented in listicle format. Each of these yachts are easily priced north of US$150 million dollars.

The longest of 'em all - the Azzam (meaning "Resolute") - is also the most expensive. The Azzam is a private yacht built by Lürssen Yachts. Azzam spans 180 metres (590 ft) in length and was built at an astounding cost of US$605M.

In fact, all the top three most expensive yachts, including the Dilbar (US$600M) and the Topaz (US$527M), in this list are built by Lürssen Yachts.