Moody 31 Mk II Information, Review, Specs

Boat drawing
Make
Moody
Model
31 Mk II
Number Built
Production Year(s)
1985 - 1991

The Moody 31 Mk II stands as a testament to British boatbuilding, embodying a blend of sturdy construction, comfortable cruising amenities, and capable sailing performance in a compact package. Introduced in 1985 and produced until 1991, this masthead sloop was designed by the prolific Bill Dixon, a naval architect renowned for creating yachts with ample volume, comfort, and good sailing characteristics. Built by Marine Projects (Plymouth) Limited, under the venerable Moody Yachts name, the 31 Mk II quickly earned a reputation as a versatile coastal cruiser and a popular family yacht, well-suited for extended periods afloat.

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The Moody 31 Mk II was launched in late 1985 as an evolution of the earlier Moody 31 Mk I, with production continuing until June 1991. The design came from the drawing board of Bill Dixon, a key contributor to Moody's fiberglass era, whose philosophy centered on delivering yachts that prioritized liveability and offshore capability. The primary distinction between the Mk I and Mk II versions lies in the latter's incorporation of a sugar scoop transom, which enhances access to the water, and a more modern forward-facing chart table. While tiller steering was standard, wheel steering was available as an optional extra, though some owners note it can reduce space in the aft cabin. A total of 305 units, encompassing both MkI and MkII models, were built, showcasing its widespread appeal.

Sailing Performance and Handling

The Moody 31 Mk II exhibits characteristics of a balanced cruising yacht, designed for predictable and comfortable performance rather than outright speed. With a Sail Area to Displacement ratio of approximately 14.9, she is considered moderately powered, suggesting a good balance between light-air performance and the ability to handle stronger winds without becoming overly demanding. Her Ballast to Displacement ratio of around 36.9% indicates a decent level of stability, allowing her to stand up to a reasonable breeze and provide a comfortable motion in a seaway. The Displacement to Length ratio, at approximately 271, places her in the moderate-to-heavy displacement category, which contributes to her solid feel and seakindly motion, typical of traditional cruisers.

Owners consistently praise the Moody 31 Mk II for its ease of handling, making it a suitable choice for both couples and single-handed sailors. Despite a review that suggested it could be "skittish," most owners vehemently disagree, describing her as "solid, seaworthy," and a "pleasure to sail," with a light helm. She is noted for sailing flatter than many yachts of her size, providing good feedback through the helm, and proving highly maneuverable, likened to sailing a dinghy in terms of responsiveness and control. A common observation, however, is that the mainsheet traveler can be difficult to adjust under high load, a minor inconvenience that some owners have modified to improve. The Mk II also benefits from all lines being led aft to the cockpit, enhancing safety and ease of sail management.

Accommodations and Layout

The interior of the Moody 31 Mk II is thoughtfully laid out to maximize comfort and utility within its 30-foot length, accommodating up to six berths. The forward cabin features V-berths easily convertible to a double, complemented by a hanging locker, dressing table, and various storage compartments, with a deck hatch providing light and ventilation.

The main saloon offers two comfortable bench settee berths, flanking a large, fixed central table with fold-out leaves, providing a generous dining and living area. Stowage is integrated behind and along the settees.

To starboard, the galley is well-appointed, featuring a gimballed gas cooker with two burners, an oven, and a grill, along with a foldaway cover for the cooker. It includes a draining icebox and a stainless steel sink with a manual cold water pump, with an optional pressurized hot and cold water system available. Ample storage for provisions and galleyware is a notable feature.

Opposite the galley, to port, is a forward-facing chart table with dedicated stowage and a navigator's stool, serving as the boat's command center with the electrical switch panel conveniently located.

Immediately aft of the galley, the aft cabin is remarkably spacious for a boat of this size, offering two single V-berths that can be converted into a double. A good-sized hanging wardrobe further enhances its liveability. While the aft berth can feel snug for two in the hip region, owners note it is generally comfortable for extended stays.

The toilet compartment, situated to port just aft of the navigation area, is comprehensively fitted with a marine WC, mirror, and overhead lighting and ventilation. The interior generally boasts a traditional teak finish for furniture units and features fitted carpets, with teak and holly flooring as an optional upgrade. Engine access is via removable steps and a 'box' storage unit in the aft cabin, offering relatively good access for maintenance. The boat also carries a respectable 36 gallons of water, contributing to self-sufficiency.

Owner's Perspectives

Owners of the Moody 31 Mk II consistently praise its robust construction and seaworthy characteristics, often highlighting its ability to handle challenging conditions with ease and provide a predictable motion. Many appreciate its generous internal space and well-thought-out accommodation for a 31-footer, making it a popular choice for family cruising and extended trips. The Mk II's sugar scoop stern is frequently cited as a convenient feature, especially for dinghy access. The original Volvo Penta 2003 engine, if well-maintained, is generally regarded as reliable, with aftermarket spares readily available.

However, potential owners should be aware of a few common considerations. The mainsheet traveler's stiffness under load is a recurring comment, though often managed or modified by owners. While the aft cabin is spacious, it can be a tight squeeze for two adults, particularly in models fitted with wheel steering. Common maintenance points include potential deck moulding distortion or cracks around the babystay mounting point and leaks from the forehatch, as well as possible deck distortion near the main chainplates. Early Volvo Penta 2003 engines may also have a gearbox spline issue, though many have already undergone conversion. Additionally, original windows can sometimes craze or develop minor leaks over time. Despite these minor points, the strong community of Moody owners reflects enduring satisfaction with these well-regarded yachts.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
3675 lbs
Displacement
9966 lbs
Water Capacity
36 gal
Fuel Capacity
24 gal

Engine

Engine Make
Volvo Penta
Engine Model
MD2003
Engine Type
Engine HP
28
Engine Count
1
Drive Type
Fuel Type
Diesel
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
33.5 ft
E (Main Foot)
11.52 ft
I (Foretriangle Height)
38.48 ft
J (Foretriangle Base)
12.5 ft
Forestay Length (est)
40.46 ft
Main Sail Area
192.96 sqft
Foretriangle Sail Area
240.5 sqft
Total Sail Area (Reported)
433 sqft
Total Sail Area (Calc)
433.46 sqft

Dimensions

LOA
30.75 ft
LWL
25.42 ft
Beam
10.5 ft
Draft
5 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
6.76 kn
Pounds per Inch Immersion
953.7