Built between 1982 and 1998 by Custom Fiberglass Products, this compact fractional sloop represents a well-balanced approach to small boat design from the Sovereign Design Group. At 18 feet overall with a 14.5-foot waterline, the boat offers surprisingly good interior volume thanks to its 7-foot beam, making it suitable for weekend coastal cruising or as a capable day sailor. The fiberglass construction features a fin keel with transom-hung rudder configuration, providing responsive handling characteristics that make this boat enjoyable for both novice and experienced sailors. With 540 pounds of ballast in a 1,350-pound displacement, the design achieves a reasonable balance between stability and performance. The 123 square feet of sail area delivers adequate power for coastal conditions while remaining manageable for single-handed sailing. The boat's moderate draft of 1.83 feet opens up shallow anchorages and launch ramp accessibility, expanding cruising options considerably. Its comfort ratio of 10.04 indicates a relatively stiff, quick motion in waves, which suits active sailing but may be less forgiving in rough conditions. This makes the Sovereign 18 an excellent choice for protected waters, coastal day sailing, and learning advanced sailing techniques in a responsive platform.
- Prices are based on recent asking prices from public listings — not actual sale prices, which are typically lower.
- Condition is not factored in. A well-maintained boat with new sails and engine can be worth significantly more than a project boat of the same model.
- Location affects price. Boats in landlocked states or areas with fewer buyers often sell for less than those on the coast.
- Year of manufacture is not filtered. Older examples of this model will generally be priced lower than newer ones.
- Included equipment varies widely. A boat with a full suite of electronics, dodger, and new standing rigging may command a large premium.
- Outliers are automatically excluded using statistical filtering to improve accuracy, but some bad data may remain.
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