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Sailboat Specifications

S2 73 Sd

Masthead Sloop · Fin W/Spade Rudder

Designed by Graham & Schlageter · Built by S2 Yachts · First built 1978

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LOA 23.83 ft  ·  Beam 8.00 ft  ·  Displacement 3,250.00 lb  ·  Sail Area 255.00 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the S2 73 Sd Sailboat

Produced by S2 Yachts, a Michigan-based builder that earned a strong reputation for quality construction throughout the 1970s and 1980s, the S2 73 Sd represents the kind of thoughtful American sailboat design that appealed to sailors seeking reliable performance without sacrificing comfort. S2 Yachts was known for producing well-finished, competently engineered boats that struck a balance between lively sailing characteristics and practical cruising amenities, and the 73 Sd fits comfortably within that tradition. While detailed specifications for this particular model are limited, the S2 lineup generally targeted sailors interested in coastal and inland cruising, making these boats well-suited to weekend passages, lake sailing, and protected waterway exploration. S2's designs were typically accessible to intermediate sailors while still rewarding those with more experience at the helm. For buyers researching this model, tracking down owner communities and class associations can be a valuable way to uncover real-world insights about the 73 Sd's handling, below-deck layout, and long-term ownership experience. Like many S2 vessels, it likely represents a solid entry point into quality American sailboat ownership.

Dimensions & Specifications
LOA (Length Overall) 23.83 ft / 7.26 m
LWL (Waterline Length) 18.50 ft / 5.64 m
Beam 8.00 ft / 2.44 m
Max Draft 2.83 ft / 0.86 m
Displacement 3,250.00 lb / 1,474 kg
Ballast 1,300.00 lb / 590 kg
Sail Area (Reported) 255.00 ft² / 23.69 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Graham & Schlageter
Builder S2 Yachts
First Built 1978
Related Sailboats Catalina 22 · S2 73 · Ranger 23 · Moore 24 · Mirage 24
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Frequently Asked Questions

What is the S2 73 Sd's sail area to displacement ratio?

The S2 73 Sd has a Sail Area to Displacement ratio (SA/D) of 18.64. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the S2 73 Sd's comfort ratio?

The S2 73 Sd has a Ted Brewer Comfort Ratio of 15.66. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the S2 73 Sd safe for offshore sailing?

The S2 73 Sd has a Capsize Screening Formula value of 2.16. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the S2 73 Sd?

The theoretical hull speed of the S2 73 Sd is 5.76 knots, calculated from its waterline length.

How much does a S2 73 Sd weigh?

The S2 73 Sd has a displacement of 3,250.00 lb and a length overall (LOA) of 23.83 ft.

Who designed the S2 73 Sd?

The S2 73 Sd was designed by Graham & Schlageter, first built in 1978.