VesselsValue.com currently values the world fleet at $686,712 million.
A full 50% of that value, some $343,356 million, is contributed by just the top 19 percent of the world's most expensive vessels.
And the world's highest valued vessel? That title goes to a 173,000 cbm LNG carrier being built by Daewoo for Russian maritime shipping company Sovcomflot.
Scheduled for delivery in 2016, it is currently valued at $321.5 million.
The VesselsValue.com fleet valuation database includes bulkers greater than 20,000 DWT, containerships greater than 500 TEU capacity, LNG and LPG carriers with more than 100 CBM capacity, and tankers over 1,000 DWT, as well as multigas and combo vessels within these sizes.