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Mirage 30 Sx
Designer: Bruce Kirby  ·  Builder: Mirage Yachts Ltd (Can)  ·  First built: 1985
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About the Mirage 30 Sx

Designed by renowned naval architect Bruce Kirby and built by Canada's Mirage Yachts Ltd beginning in 1985, this 30-footer represents a compelling blend of performance and practicality. Kirby, best known for creating the iconic Laser dinghy and numerous successful racing designs, brought his expertise in creating responsive, well-balanced sailboats to this fractional sloop-rigged cruiser. The boat's fin keel and spade rudder configuration delivers excellent maneuverability and upwind performance, while the generous sail area to displacement ratio of 23.3 indicates spirited sailing characteristics that will appeal to performance-oriented sailors. The moderate beam of 10.5 feet provides reasonable interior space without compromising sailing ability, making this an attractive option for coastal cruising and club racing. With a comfort ratio of 15.37, the design leans toward the sportier end of the spectrum, suggesting quick motion in a seaway but rewarding sailing performance. The capsize screening formula of 2.33 falls within acceptable limits for coastal sailing, though the boat is better suited for protected waters and nearshore adventures rather than extended offshore passages. This combination of Kirby's proven design philosophy and solid fiberglass construction creates a versatile platform for sailors seeking an engaging yet practical sailing experience.

Core Dimensions
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 24.12 ft / 7.35 m
Beam 10.50 ft / 3.20 m
Max Draft 5.89 ft / 1.80 m
Displacement 5,900.00 lb / 2,676 kg
Sail Area (Reported) 474.00 ft² / 44.04 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Bruce Kirby
Builder Mirage Yachts Ltd (CAN)
First Built 1985
Related Sailboats J/30 · Capri 30 Catalina · Cs 30 · Newport 30 3 · Moore 30
Owner Reviews

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 120
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
 23.3
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 187.7
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
 15.37
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
 2.33
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. 6.58 kn
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
 3.56
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. 904.93 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 23.28
Rig Dimensions
I (Foretriangle Height) 38.27 ft / 11.66 m
J (Foretriangle Base) 11.72 ft / 3.57 m
P (Mainsail Luff) 38.72 ft / 11.80 m
E (Mainsail Foot) 12.88 ft / 3.93 m
SA Fore 224.26 ft² / 20.83 m²
SA Main 249.36 ft² / 23.17 m²
SA Total (100%) 473.62 ft² / 44.00 m²
Est. Forestay Length 40.02 ft / 12.20 m
Engine & Accommodations
Engine Make Bukh
Engine Model DB 8
Engine Type Diesel
Fuel Capacity 9 gals / 34 L
How It Compares

vs. Capri 30 Catalina, Cs 30, J/30, Moore 30, Newport 30 3

This boat Similar boats
Dimensions
LOA
Mirage 30 Sx ★
30.0 ft
Capri 30 Catalina
30.0 ft
Cs 30
30.0 ft
J/30
30.0 ft
Moore 30
30.0 ft
Newport 30 3
30.0 ft
LWL
Mirage 30 Sx ★
24.1 ft
Capri 30 Catalina
25.0 ft
Cs 30
25.4 ft
J/30
25.0 ft
Moore 30
26.3 ft
Newport 30 3
26.5 ft
Beam
Mirage 30 Sx ★
10.5 ft
Capri 30 Catalina
10.8 ft
Cs 30
10.3 ft
J/30
10.8 ft
Moore 30
14.0 ft
Newport 30 3
10.7 ft
Displacement
Mirage 30 Sx ★
5 lbs
Capri 30 Catalina
8 lbs
Cs 30
8 lbs
J/30
6 lbs
Moore 30
2 lbs
Newport 30 3
8 lbs
Ballast
Mirage 30 Sx ★
—
Capri 30 Catalina
3 lbs
Cs 30
3 lbs
J/30
2 lbs
Moore 30
800 lbs
Newport 30 3
2 lbs
Sail Area
Mirage 30 Sx ★
474 sq ft
Capri 30 Catalina
387 sq ft
Cs 30
462 sq ft
J/30
436 sq ft
Moore 30
466 sq ft
Newport 30 3
—
Performance
PHRF Rating (lower = faster)
Mirage 30 Sx ★
120 s/nm
Capri 30 Catalina
111 s/nm
Cs 30
150 s/nm
J/30
144 s/nm
Moore 30
51 s/nm
Newport 30 3
—
SA / Displacement (higher = more powerful)
Mirage 30 Sx ★
23.3
Capri 30 Catalina
15.5
Cs 30
18.5
J/30
20.8
Moore 30
47.1
Newport 30 3
—
Ballast / Disp (higher = stiffer)
Mirage 30 Sx ★
—
Capri 30 Catalina
37.5 %
Cs 30
—
J/30
39.3 %
Moore 30
40.0 %
Newport 30 3
30.6 %
Comfort Ratio (higher = more comfortable offshore)
Mirage 30 Sx ★
15.4
Capri 30 Catalina
—
Cs 30
20.8
J/30
23.6
Moore 30
3.4
Newport 30 3
—
Capsize Screening (lower = safer)
Mirage 30 Sx ★
2.33
Capri 30 Catalina
—
Cs 30
2.05
J/30
1.73
Moore 30
4.45
Newport 30 3
—
Displacement / Length (lower = lighter)
Mirage 30 Sx ★
187
Capri 30 Catalina
228
Cs 30
—
J/30
109
Moore 30
49
Newport 30 3
203
Hull Speed
Mirage 30 Sx ★
6.6 kts
Capri 30 Catalina
—
Cs 30
6.8 kts
J/30
7.6 kts
Moore 30
6.9 kts
Newport 30 3
—
Speed Number (higher = faster)
Mirage 30 Sx ★
3.6
Capri 30 Catalina
—
Cs 30
2.7
J/30
—
Moore 30
10.2
Newport 30 3
—
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