riverboat cake

anyone know where i can purchase a ready made cake that looks like a riverboat?  been looking for months  saw 4 online but could not access data  as I do not bake but want one mail order am about to give up  anyone help?   contacted someone in china  he said he could do for  one hundred eighty dollars  and I nearly fell over  way too much for a simple little riverboat cake  Carole at larcr@msn.com