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12data points analyzed by Sailpages.com to compile this FORMOSA 47 buyer’s report
FORMOSA 47

FORMOSA 47

$103,682 avg$81,467 – $113,400 (6 listings)from 1980
$4.4K – $12K est. annual maintenance
Bluewater CruisermonoMasthead KetchFin

Specifications

Hull

LOA46.42 ft
LWL36.25 ft
Beam14 ft
Draft7.42 ft
Displacement30,865 lb
Ballast9,929.3 lb
Hull speed1.34·√LWL8.1 kn

About the FORMOSA 47

Also available with a cutter rig.

Sailpages Buyer's Take

The Formosa 47 is a rare, heavy-displacement ketch designed by Claude Puvieux and built by Formosa Boat Building Co. Ltd. in Taiwan, with production records indicating a build year of 1980 and an unknown total hull count. Its substantial displacement of 30865.0 lb and high comfort ratio of 36.12 suggest a vessel engineered for stability and seakeeping rather than speed.

Best for:
This boat is best suited for experienced offshore cruisers who prioritize motion comfort and heavy-weather security over planing performance or tight maneuverability. Its ketch rig and substantial ballast make it a strong candidate for long-range voyaging where self-sufficiency is paramount.
Bluewater capability:
With a low capsize ratio of 1.79 and a high displacement-to-length ratio of 289.26, the Formosa 47 exhibits strong inherent stability and resistance to capsizing, making it highly suitable for bluewater cruising.
Comparables:
Comparable vessels include other heavy-displacement ketches from the late 1970s and early 1980s, such as the Hallberg-Rassy 43 or the O'Day 42, which share similar design philosophies focused on durability and offshore capability. The Formosa 47 distinguishes itself with its specific Taiwanese build origin and Puvieux design lineage.

Performance

Comfort36.1
Capsize1.79
SA/Disp22.0
Disp/Len289
Bal/Disp32.2

Market Price

Low
$81,467
Average
$103,682
High
$113,400
Based on 6 listings across 3 marketplaces

Asking price by model year

6 listings · boat years 19801984 · median $108,000

$0$50k$100k$150kmedian $108,000198019851980 Formosa 47 · $102,600 · France, Rochefort1984 Formosa 47 Ketch · $108,000 · Greece, Contact De Valk Corfu1984 Formosa 47 · $113,400 · Italy1984 1984 Formosa 47 Ketch · $108,0001981 Formosa 47 · $81,467 · Greece1984 Formosa 47 Ketch · $108,624 · GreeceAsking price (USD)Boat model year

Each dot is one listing · hover for details · dashed red line marks the median · obvious data-entry outliers (top & bottom 2.5%) excluded.

Estimated Cost of Ownership

Based on 46.42ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$4.4K – $12K
Hull, rigging, sails, engine service
Annual Docking
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Known Issues & Pre-Purchase Inspection

3 reported issues across 2 systems for the FORMOSA 47, compiled from owner reports in sailing forums and owner-association material.

2 critical1 major
Structural2Rigging1

Unlock the full inspection report

Thinking of buying a FORMOSA 47? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.

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

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

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Which engine powers your FORMOSA 47?

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Used sails that fit the FORMOSA 47

Checking eBay for sails sized to this boat's rig…