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Newport 30 3
Designer: Gary Mull  ·  Builder: Capital Yachts Inc. (Usa)  ·  First built: 1984
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About the Newport 30 3

Produced by Newport Sailboats during the 1970s, the Newport 30 3 is a fiberglass sloop that earned a quiet reputation as a dependable and approachable coastal cruiser. Designed with the weekend sailor in mind, this boat strikes a balance between comfortable daysailing and modest overnight passages, making it a practical choice for sailors looking to explore inshore waters and protected coastal routes without the complexity of a larger offshore vessel. Like many production sailboats of its era, the Newport 30 3 was built to offer accessible sailing at an affordable price point, and examples continue to circulate in the used market today. The hull design reflects the sensibilities of 1970s cruiser-racer thinking, offering reasonable performance without demanding an expert crew to handle it well. Its manageable size makes it appealing to couples or small families stepping into boat ownership for the first time. With limited detailed specification data available, prospective buyers are encouraged to conduct a thorough survey, as individual examples can vary considerably in condition and outfitting given the age of the design.

Core Dimensions
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 26.50 ft / 8.08 m
Beam 10.67 ft / 3.25 m
Max Draft 5.17 ft / 1.58 m
Displacement 8,500.00 lb / 3,856 kg
Ballast 2,600.00 lb / 1,179 kg
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Gary Mull
Builder Capital Yachts Inc. (USA)
First Built 1984
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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
30.59
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
203.91
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. 6.06 pounds/inch
Rig Dimensions
I (Foretriangle Height) 16.46
J (Foretriangle Base) 12.67 ft / 3.86 m
P (Mainsail Luff) 427.00 ft² / 39.67 m²
E (Mainsail Foot) Universal
Engine & Accommodations
Fuel Capacity 30 gals / 114 L
Water Capacity 70 gals / 265 L
How It Compares

vs. Capo 30, Capri 30 Catalina, Cs 30

This boat Similar boats
Dimensions
LOA
Newport 30 3 ★
30.0 ft
Capo 30
30.0 ft
Capri 30 Catalina
30.0 ft
Cs 30
30.0 ft
LWL
Newport 30 3 ★
26.5 ft
Capo 30
25.0 ft
Capri 30 Catalina
25.0 ft
Cs 30
25.4 ft
Beam
Newport 30 3 ★
10.7 ft
Capo 30
10.3 ft
Capri 30 Catalina
10.8 ft
Cs 30
10.3 ft
Displacement
Newport 30 3 ★
8 lbs
Capo 30
7 lbs
Capri 30 Catalina
8 lbs
Cs 30
8 lbs
Ballast
Newport 30 3 ★
2 lbs
Capo 30
3 lbs
Capri 30 Catalina
3 lbs
Cs 30
3 lbs
Sail Area
Newport 30 3 ★
Capo 30
476 sq ft
Capri 30 Catalina
387 sq ft
Cs 30
462 sq ft
Performance
PHRF Rating (lower = faster)
Newport 30 3 ★
Capo 30
114 s/nm
Capri 30 Catalina
111 s/nm
Cs 30
150 s/nm
SA / Displacement (higher = more powerful)
Newport 30 3 ★
Capo 30
20.5
Capri 30 Catalina
15.5
Cs 30
18.5
Ballast / Disp (higher = stiffer)
Newport 30 3 ★
30.6 %
Capo 30
41.7 %
Capri 30 Catalina
37.5 %
Cs 30
Comfort Ratio (higher = more comfortable offshore)
Newport 30 3 ★
Capo 30
18.7
Capri 30 Catalina
Cs 30
20.8
Capsize Screening (lower = safer)
Newport 30 3 ★
Capo 30
2.14
Capri 30 Catalina
Cs 30
2.05
Displacement / Length (lower = lighter)
Newport 30 3 ★
203
Capo 30
205
Capri 30 Catalina
228
Cs 30
Hull Speed
Newport 30 3 ★
Capo 30
6.7 kts
Capri 30 Catalina
Cs 30
6.8 kts
Speed Number (higher = faster)
Newport 30 3 ★
Capo 30
3.0
Capri 30 Catalina
Cs 30
2.7
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