Home/ Boats/ Gannon Yachts/ Sonoma 30
Sailboat Specifications

Sonoma 30

Fractional Sloop · Lifting Keel

Designed by Carl Schumacher · Built by Gannon Yachts · First built 1982

+ Add to Compare
LOA 29.92 ft  ·  Beam 8.80 ft  ·  Displacement 3,750.00 lb  ·  Sail Area 371.00 ft²  ·  Fractional Sloop  ·  Lifting Keel
About the Sonoma 30 Sailboat

Designed for West Coast sailors seeking a capable and comfortable daysailer and coastal cruiser, the Sonoma 30 earned a modest but loyal following among those who valued practical performance over flash. Built during an era when regional boatbuilders catered to the specific demands of bay and coastal sailing, this sloop reflects the kind of no-nonsense design philosophy that prioritized ease of handling for shorthanded crews. The Sonoma 30 is generally regarded as a well-balanced boat, offering enough stability and interior volume to make weekend cruising genuinely comfortable while remaining responsive enough to be enjoyable on a breezy afternoon sail. Its proportions make it approachable for sailors stepping up from smaller boats, and its manageable size means docking and single-handed operation are realistic without requiring a seasoned offshore veteran at the helm. While detailed specifications are limited in available records, the Sonoma 30's reputation among owners tends to center on its reliability and its suitability for protected coastal waters and bay sailing. Prospective buyers would do well to seek out owner communities and surveyor input to fill in the finer details before committing to a purchase.

Dimensions & Specifications
LOA (Length Overall) 29.92 ft / 9.12 m
LWL (Waterline Length) 26.92 ft / 8.21 m
Beam 8.80 ft / 2.68 m
Max Draft 6.00 ft / 1.83 m
Min Draft 2.00 ft / 0.61 m
Displacement 3,750.00 lb / 1,701 kg
Ballast 1,500.00 lb / 680 kg
Sail Area (Reported) 371.00 ft² / 34.47 m²
Design & Construction
Hull Type Lifting Keel
Rigging Type Fractional Sloop
Construction FG
Designer Carl Schumacher
Builder Gannon Yachts
First Built 1982
Last Built 1984
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Frequently Asked Questions

What is the Sonoma 30's sail area to displacement ratio?

The Sonoma 30 has a Sail Area to Displacement ratio (SA/D) of 24.66. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sonoma 30's comfort ratio?

The Sonoma 30 has a Ted Brewer Comfort Ratio of 11.5. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sonoma 30 safe for offshore sailing?

The Sonoma 30 has a Capsize Screening Formula value of 2.27. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sonoma 30?

The theoretical hull speed of the Sonoma 30 is 6.95 knots, calculated from its waterline length.

How much does a Sonoma 30 weigh?

The Sonoma 30 has a displacement of 3,750.00 lb and a length overall (LOA) of 29.92 ft.

Who designed the Sonoma 30?

The Sonoma 30 was designed by Carl Schumacher, first built in 1982.