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S2 80 B
Designer: Arthur Edmunds  ·  Builder: S2 Yachts  ·  First built: 1976
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About the S2 80 B

Produced by S2 Yachts, a Michigan-based builder known for crafting well-finished production sailboats throughout the 1970s and 1980s, the S2 80 B represents the brand's commitment to accessible, quality sailing for the everyday boater. S2 Yachts earned a strong reputation during this era for delivering boats that balanced comfort, performance, and value — qualities that made them popular among families and weekend sailors alike. While detailed specifications for the 80 B are limited, the boat fits within S2's broader philosophy of producing capable coastal and inland cruisers suited to sailors who want a reliable, manageable vessel without sacrificing too much in the way of sailing feel. Like many of its stablemates, it is likely well-suited to day sailing and light coastal passages, offering a comfortable platform for those new to sailing or for experienced sailors seeking a low-maintenance recreational boat. The S2 brand continues to hold a loyal following in the used boat market, and the 80 B benefits from that heritage. Prospective buyers would be well-advised to seek out a thorough survey to assess the condition of any example they encounter.

Core Dimensions
LOA (Length Overall) 26.00 ft / 7.92 m
LWL (Waterline Length) 21.42 ft / 6.53 m
Beam 8.00 ft / 2.44 m
Max Draft 4.00 ft / 1.22 m
Displacement 4,600.00 lb / 2,087 kg
Ballast 1,800.00 lb / 816 kg
Sail Area (Reported) 282.00 ft² / 26.20 m²
Headroom 5.83 ft / 1.78 m
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Arthur Edmunds
Builder S2 Yachts
First Built 1976
Last Built 1983
Related Sailboats ["Chrysler 26 Fk" · "Capri 26 Catalina" · "Cc 26 Encounter" · "Impulse 26" · "Yankee 26"]
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Known Issues & What to Watch For

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 16.36
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 19.54
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 1.93
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 6.2
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 2.57
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 612.29
Rig Dimensions
I (Foretriangle Height) 29.8
J (Foretriangle Base) 11.5
P (Mainsail Luff) 26.1
E (Mainsail Foot) 9.0
SA Fore 171.35
SA Main 117.45
How It Compares

vs. Capri 26 Catalina, Cc 26 Encounter, Impulse 26

This boat Similar boats
Dimensions
LOA
S2 80 B ★
26.0 ft
Capri 26 Catalina
26.0 ft
Cc 26 Encounter
26.0 ft
Impulse 26
26.0 ft
LWL
S2 80 B ★
21.4 ft
Capri 26 Catalina
22.5 ft
Cc 26 Encounter
23.0 ft
Impulse 26
21.6 ft
Beam
S2 80 B ★
8.0 ft
Capri 26 Catalina
9.1 ft
Cc 26 Encounter
10.0 ft
Impulse 26
8.4 ft
Displacement
S2 80 B ★
4 lbs
Capri 26 Catalina
4 lbs
Cc 26 Encounter
6 lbs
Impulse 26
2 lbs
Ballast
S2 80 B ★
1 lbs
Capri 26 Catalina
1 lbs
Cc 26 Encounter
—
Impulse 26
1 lbs
Sail Area
S2 80 B ★
282 sq ft
Capri 26 Catalina
268 sq ft
Cc 26 Encounter
322 sq ft
Impulse 26
327 sq ft
Performance
PHRF Rating (lower = faster)
S2 80 B ★
—
Capri 26 Catalina
213 s/nm
Cc 26 Encounter
—
Impulse 26
135 s/nm
SA / Displacement (higher = more powerful)
S2 80 B ★
16.4
Capri 26 Catalina
16.0
Cc 26 Encounter
15.5
Impulse 26
26.7
Comfort Ratio (higher = more comfortable offshore)
S2 80 B ★
19.5
Capri 26 Catalina
15.2
Cc 26 Encounter
18.4
Impulse 26
10.9
Capsize Screening (lower = safer)
S2 80 B ★
1.93
Capri 26 Catalina
2.22
Cc 26 Encounter
2.19
Impulse 26
2.41
Displacement / Length (lower = lighter)
S2 80 B ★
—
Capri 26 Catalina
172
Cc 26 Encounter
224
Impulse 26
—
Hull Speed
S2 80 B ★
6.2 kts
Capri 26 Catalina
6.4 kts
Cc 26 Encounter
6.4 kts
Impulse 26
6.2 kts
Speed Number (higher = faster)
S2 80 B ★
2.6
Capri 26 Catalina
—
Cc 26 Encounter
2.3
Impulse 26
5.2
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