World's 9th largest yacht docked at Treasure Island

October 5, 2010 9:07:09 AM PDT
Chances are you didn't know it, but there's an enormous 'Octopus ' in the Bay this morning.

It doesn't have eight arms, but it does have two helicopters and two submarines.

At 414 feet long, this Octopus is the world's ninth largest yacht.

It belongs to Microsoft co-founder Paul Allen -- it's docked at Treasure Island, and it's not even Allen's only mega-yacht.

He's got another called the 'Tatoosh,' which is also among the world's 100 largest yachts.