M/Y Eclipse is a superyacht built by Blohm+Voss of Hamburg, Germany, the third longest private yacht afloat. Her exterior and interior were designed by Terence Disdale. The yacht is owned by Russian businessman Roman Abramovich, and was delivered on 9 December 2010. At 162.5 metres long Eclipse was the world's longest private yacht until Azzam was launched in April 2013, which is 17.3 metres longer. The yacht's cost has been estimated at €340 million.