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2data points analyzed by Sailpages.com to compile this MOODY 31 MKI buyer’s report
MOODY 31 MKI

MOODY 31 MKI

$25,408 avg$22,900 – $26,850 (4 listings)1983–1985
$1.5K – $4.0K est. annual maintenance
Offshore CruisermonoMasthead SloopFin

Specifications

Hull

LOA30.75 ft
LWL25.42 ft
Beam10.5 ft
Draft5 ft
Displacement9,966 lb
Ballast3,675.1 lb
Material30’ 8”9.37 m
Hull speed1.34·√LWL6.8 kn

Rig & Sails

Pmainsail luff16.86 ft
Emainsail foot11.52 ft

Accommodation

Cabins2
Berths4
Heads1
Water35.9 L
Fuel24 L
CE categoryN/A€

About the MOODY 31 MKI

A bilge keel version was also available. (draft: 3.67')

Sailpages Buyer's Take

The Moody 31 MkI is a robust coastal cruiser designed by Bill Dixon and built by Marine Projects Ltd. (UK) between 1983 and 1985. With a displacement of 9966.0 lb and a comfort ratio of 24.87, it offers a stable, heavy-displacement experience typical of British builders from that era.

Best for:
This boat suits coastal cruisers and those seeking a comfortable, stable passage-maker who prioritize sea-keeping ability over high-speed planing. Its moderate sail area to displacement ratio (15.01) makes it well-suited for relaxed cruising rather than competitive racing.
Bluewater capability:
With a capsize ratio of 1.95 and a displacement of 9966.0 lb, the Moody 31 MkI demonstrates strong inherent stability and seaworthiness for coastal and near-shore passages, though its fin keel and moderate draft (5.0 ft) suggest it is best suited for protected waters rather than extreme offshore expeditions.
Comparables:
Comparable boats include the Hallberg-Rassy 31 and the Hallberg-Rassy 355, as they share similar heavy-displacement characteristics and coastal cruising roles. The Moody 31 MkI also aligns with the earlier Moody 30 in terms of build quality and conservative design philosophy.

Direct variant of the MOODY 31 MKI

Near-identical models β€” same hull, builder and designer, re-badged or lightly changed. Specs and owner-reported issues are typically shared across the group, so a sister model's page may carry detail this one doesn't.

Performance

Comfort24.9
Capsize1.95
SA/Disp15.0
Disp/Len271
Bal/Disp36.9

Estimated Value

Low Confidence
Based on 4 listings
Low
$19,036
Estimated Value
$20,157
High
$20,862
Inflation-adjusted to 2026 USD

Estimated Cost of Ownership

Based on 30.75ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.5K – $4.0K
Hull, rigging, sails, engine service
Annual Docking
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Known Issues & Pre-Purchase Inspection

3 reported issues across 3 systems for the MOODY 31 MKI, compiled from owner reports in sailing forums and owner-association material.

1 critical2 minor
Deck1Hull1Structural1

Unlock the full inspection report

Thinking of buying a MOODY 31 MKI? This is an in-depth report on the faults this model is known for β€” so you know exactly what to check when you walk the boat. For the price of a coffee.

  • βœ“ All 3 specific issues β€” severity, symptoms & fixes
  • βœ“ Model-specific pre-purchase inspection checklist
  • βœ“ Downloadable PDF to take to your surveyor β€” yours to keep

One-time $2.99 Β· secure checkout by Stripe Β· instant access Β· 30 days online, PDF yours to keep

Similar Sailboats

Which engine powers your MOODY 31 MKI?

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Used sails that fit the MOODY 31 MKI

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