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Sage 15
Designer: Jerry Montgomery  ·  Builder: Sage Marine  ·  First built: 2016
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About the Sage 15

Designed with simplicity and accessibility in mind, the Sage 15 is a compact daysailer that appeals to beginners and experienced sailors alike who are looking for an easygoing, low-maintenance time on the water. Built by Sage Marine, the boat reflects the company's commitment to producing lightweight, trailerable sailboats that prioritize ease of use without sacrificing the genuine joy of sailing. Well suited to protected inland waters, lakes, and calm coastal bays, the Sage 15 is a practical choice for solo sailors or those sailing with a small crew who want a responsive and manageable boat. Its trailerable size makes it especially attractive for sailors who prefer the flexibility of launching from multiple locations rather than committing to a permanent slip. The Sage 15 carries a reputation for being a forgiving and confidence-inspiring boat, making it a popular option for families and those new to sailing. For anyone researching an entry-level or recreational daysailer that is light on complexity but still delivers a satisfying sail, the Sage 15 deserves a close look.

Core Dimensions
LOA (Length Overall) 15.16 ft / 4.62 m
LWL (Waterline Length) 14.50 ft / 4.42 m
Beam 6.42 ft / 1.96 m
Max Draft 3.00 ft / 0.91 m
Min Draft 0.50 ft / 0.15 m
Displacement 800.00 lb / 363 kg
Ballast 225.00 lb / 102 kg
Sail Area (Reported) 128.00 ft² / 11.89 m²
Design & Construction
Hull Type Lifting Keel
Rigging Type Fractional Sloop
Construction FG
Designer Jerry Montgomery
Builder Sage Marine
First Built 2016
Related Sailboats ["Precision 15 K" · "West Wight Potter 15" · "Melges 15" · "Montgomery 15" · "Coronado 15"]
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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
 23.8
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
 7.06
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
 2.77
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. 5.1
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. 332.62
How It Compares

vs. Melges 15, Montgomery 15, West Wight Potter 15

This boat Similar boats
Dimensions
LOA
Sage 15 ★
15.2 ft
Melges 15
15.0 ft
Montgomery 15
15.0 ft
West Wight Potter 15
15.0 ft
LWL
Sage 15 ★
14.5 ft
Melges 15
—
Montgomery 15
13.0 ft
West Wight Potter 15
11.8 ft
Beam
Sage 15 ★
6.4 ft
Melges 15
5.5 ft
Montgomery 15
5.5 ft
West Wight Potter 15
5.5 ft
Displacement
Sage 15 ★
800 lbs
Melges 15
230 lbs
Montgomery 15
475 lbs
West Wight Potter 15
475 lbs
Ballast
Sage 15 ★
225 lbs
Melges 15
—
Montgomery 15
175 lbs
West Wight Potter 15
165 lbs
Sail Area
Sage 15 ★
128 sq ft
Melges 15
—
Montgomery 15
90 sq ft
West Wight Potter 15
—
Performance
SA / Displacement (higher = more powerful)
Sage 15 ★
23.8
Melges 15
—
Montgomery 15
23.6
West Wight Potter 15
—
Ballast / Disp (higher = stiffer)
Sage 15 ★
—
Melges 15
—
Montgomery 15
36.8 %
West Wight Potter 15
34.7 %
Comfort Ratio (higher = more comfortable offshore)
Sage 15 ★
7.1
Melges 15
2.7
Montgomery 15
5.5
West Wight Potter 15
—
Capsize Screening (lower = safer)
Sage 15 ★
2.77
Melges 15
—
Montgomery 15
2.82
West Wight Potter 15
—
Displacement / Length (lower = lighter)
Sage 15 ★
—
Melges 15
49
Montgomery 15
96
West Wight Potter 15
128
Hull Speed
Sage 15 ★
5.1 kts
Melges 15
4.8 kts
Montgomery 15
4.8 kts
West Wight Potter 15
—
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