If you´re really good with heating, bending & glueing ABS-plastics and with (spray-)painting as well, you could get (an) additional ship(s) and scrap that one (those) for usable parts. If not, I´d leave it like it is. The 5135 and it´s older 3940 (= US 3286) variant are the most realistic Playmobil "galleons" around.