The Superyacht Online Resource for Captains – Captain's Directory

Winners of the biggest, fastest, widest, longest, deepest and largest of luxury Megayachts.

   Largest & Longest Yacht in the World - M/Y Eclipse

It is the biggest private yacht in existence and comes with a missile-detection system, two helipads, a luxury spa, swimming pool and a miniature submarine.

But when you're Russian oligarch Roman Abramovich, only the most ostentatious displays of wealth will do.

His latest baby is the Eclipse, a 557-footer reported to have cost a staggering £300million.

 Eclipsing the opposition: Roman Abramovich's new yacht slides out of the ship-yard in Hamburg, Germany. It comes with a raft of features including two heli-pads, a pool and a missile-detection system

This is a list of the world’s 10 longest luxury yachts, as compiled by wikipedia.org. While length closely correlates with other measures of size such as tonnage, accommodation area, or displacement, the correspondence is not exact, and the rankings should not be taken as a definitive ranking of size.