I already have a fiberglass coffin-style sailbox on my trailer but it would be very easy to build one using plywood and then rolling on a waterproof barrier with something like Monstaliner
http://www.monstaliner.com/Recommend using the "Search" function to find discussions on homemade beach wheels. It's a common topic.
Regarding Boat Names, how about
Usain Boat (Haha I'm envisioning hull decals of his famous pose).....

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Irie, mon....
'82 Hobie 18 SE with '85 Nationals Prism (White) sails
'73 Laser HID# 3463
