- Stock #309431 - Not used this year! Must go! Sportfish Convertible that needs work . The 31-foot length is a great size for a step-up convertible and it works out to be an ideal setup for day trips as well as cruising longer distances. Yet this boat can be equipped with everything a serious angler might want. The Silverton's salon is open and airy with a sofa to port and a row of cabinets and a shelf along the starboard side which acts as a great entertainment center for TV and DVD equipment. Meal prep is easy in the well equipped galley including electric stove top, microwave oven, go... read more