Design and Construction
Jones's SJ-30 is a fiberglass-hulled monohull with a fin keel and spade rudder, displacing around 6,500 pounds with 2,663 pounds of lead-and-iron ballast. The length-to-beam ratio of 2.84 and a displacement-length ratio of 176 place her among what one reference categorizes as "light racers," a hull form more concerned with responsiveness than carrying capacity. The wetted surface of the bottom is about 301 square feet, and the immersion rate runs roughly 949 pounds per inch, so she sits sensitively to load. Notably, the SJ-30 was also sold as a home-completion kit, meaning finished boats can vary in the quality of each boat from one example to the next.
Rig and Handling
The boat is built with a fractional rig and a fin keel drawing between 5.41 and 5.71 feet depending on load. Her sail plan is served by modest control lines: jib and genoa sheets are specified at 30.9 feet long by half-inch diameter, the mainsheet at 77.3 feet by half-inch, and the spinnaker sheet at 68 feet by half-inch. With a theoretical displacement-hull speed of about 6.7 knots and a motion comfort ratio of 14.7, the design reads as quick in her own range but not especially soft-riding. The capsize screening value of 2.38 is the figure that, per the published assessment, would bar her from accepted entry in ocean races — a useful boundary marker for the kind of sailing she was conceived for.
Accommodations
Below, the SJ-30 is equipped with three cabins, seven berths, and a galley. That berth count in a 30-foot light racer speaks to a layout prioritizing crew accommodation for racing or compact cruising over solitary owner privacy, and the three-cabin arrangement compresses living spaces into the beamy 10.75-foot hull.
Ownership and Refits
Because some hulls left the factory as home-completion shells, a buyer or owner should expect inconsistency in joinery, tankage integration, and systems routing between individual boats. The solid fiberglass deck and hull are straightforward backgrounds for refit, but the variable completion standard means each vessel must be judged on its own execution rather than assumed to a production baseline.
The Verdict
The Hustler SJ-30 is a purposeful Stephen Jones light racer: narrow-ish for her length, fin-keeled, and quick by displacement-speed math, but with a capsize screen that keeps her inshore and coastal rather than oceanic. The three-cabin, seven-berth interior makes her a capable weekender for a crew, and the fractional rig is simple to handle. The home-completion history is the one enduring caveat — it decentralizes build quality and demands eyes-on inspection of every example.
Pros
- Light-racer hull proportions (DL-ratio 176) with responsive fin-keel form
- Fractional rig with manageable sheet dimensions for short-handed sailing
- Three cabins and seven berths in a 30-foot package
Cons
- Capsize screening value of 2.38 excludes her from ocean-race acceptance
- Home-completion option means variable build quality across the fleet
- Low motion comfort ratio (14.7) suggests a firm, athletic ride








