- Sea Doo
2001 SeaDoo Challenger 2000, 20 foot boat for sale by owner. Good condition, Mercury M2 Jet Drive V6 EFI (240hp)- new engine replaced 2017, very few hours on new engine. Fun comfortable boat, looking to move and wont have the storage. All paperwork from previous owners available as well as new engine paperwork from marina. Asking $8000 or Best Reasonable offer.