Duck Boat (1987 Guinness World Record Largest Decoy) Worlds Largest Duck Decoy Start Price USD 5,000.00 Current Price USD 5,000.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Friday, October 03, 2008 End Time Monday, October 13, 2008 Location kenwood, CA See more about 'Duck Boat (1987 Guinness World Record Largest Decoy)' Description 1987 Guinness Book of World Records Largest Duck Decoy. Custom built out of marine layer fiberglass this mallard is 22ft long and 7ft wide.On Oct-07-08 at 14:46:29 PDT, seller added the following information:This Guinness Book record mallard is being auctioned ! Built in Santa Rosa, Ca, in 1987 this 20ft long and 8ft high duck was the pride exhibit of the 1987 San Francisco Boat Show. Made of bent plywood over a wood frame and overlaid with a fiberglass finish, this decoy is really a boat in disguise. Attach an outboard motor and it's ready for a swim! Also besides getting a gaint decoy , you will also receive a packet full of photos, newspapper clippings, the builting receipt, a 1988 Guiness Book and more. Place a Bid!