The solo flats skiff 14 is considered both a fishing kayak & a one-person skiff. purchase our kayak plans to learn how to build a fishing boat easily & quickly.. Osprey 18 flats skiff. the osprey 18 flats skiff was originally designed for a client (who stiffed me on half his bill!) in louisiana back in 2008.. 2008 panga skiff, 18′ – asking $11,900 : if you need a basic panga marine skiff, come see this one right away! she is a nice boat, runs super-efficient, works skinny.