Sportfish 24 is a capable inshore or offshore boat with custom high end sportfishing boat looks. she has a deep vee bow with flat keel and spray chines providing. Boat plans for a 23′ trailerable plywood sport fishing boat for the home boatbuilder.. How fast does it go? for estimating the speed for small outboard planing boats see planing speed boat chart. this chart should be used for general estimates.