Ocean Emerald is the first of four identical Foster + Partners designed super-yachts launched by the company. The second yacht, Ocean Pearl entered service in the autumn 2009 and the third, Ocean Sapphire in the early part of 2010. The futuristically styled 41m YachtPlus fractional share yachts Ocean Emerald, Ocean Pearl and Ocean Sapphire. Foster + Partners superyacht interior designs also include the acclaimed Perini Navi 56.9 metre Panthalassa.