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90data points analyzed by Sailpages.com to compile this CONTEST 34 buyer’s report
CONTEST 34

CONTEST 34

Conyplex🇳🇱· Design: Dick Zaal
$24,899 avg$24,899 – $24,899 (2 listings)1976–198084 built
$1.9K – $5.1K est. annual maintenance
Bluewater CruisermonoMasthead SloopFin

Specifications

Hull

LOA34 ft
LWL27.58 ft
Beam11.16 ft
Draft5.42 ft
Displacement16,315 lb
Ballast7,054.6 lb
Hull speed1.34·√LWL7.0 kn

Rig & Sails

Iforetriangle height41 ft
Jforetriangle base13 ft
Pmainsail luff36 ft
Emainsail foot12.06 ft
FLforestay13 ft
Mainsail500.9 sq ft
Jib (100%)266.5 sq ft
Spinnaker453.1 sq ft

About the CONTEST 34

Sailpages Buyer's Take

Designed by Dick Zaal and built by Conyplex, the Contest 34 is a robust cruising sloop with a production run of 84 hulls constructed between 1976 and 1980. This data-driven synthesis highlights a well-maintained fleet with significant owner investment in modern electronics and sail inventory.

Best for:
This boat suits coastal cruisers and offshore adventurers who value a heavy-displacement, comfortable motion, as evidenced by its high comfort ratio and substantial ballast.
Bluewater capability:
With a displacement of 16315.0 lb and a capsize ratio of 1.76, the Contest 34 is well-suited for bluewater cruising, offering stability and safety in heavy weather.
Comparables:
Comparable to other heavy-displacement European cruisers from the late 1970s, such as the Hallberg-Rassy 34 or the Oyster 34, due to similar build quality, fin keel design, and focus on offshore capability over pure speed.

Performance

Comfort34.4
Capsize1.76
SA/Disp12.1
Disp/Len347
Bal/Disp43.2

ORC Performance Data(2 certificates)

Measured performance data from ORC (Offshore Racing Congress) certificates.

Polar Diagram

24680°30°60°90°120°150°180°WIND
6kn8kn10kn12kn14kn16kn20knbeat VMGrun VMG

Boat speed (kn) vs. true wind angle. Source: ORC

Racing Ratings

GPH806.7 s/miOSN

Triple Number

LowMedHighOffshore0.67790.93421.1153Inshore0.52660.74930.9245

ORC Measured

Displacement7500 kg (16538 lb)

Sail Areas (ORC)

Main24.2 m² (260 ft²)Genoa30.4 m² (327 ft²)

Speed Table (kn)

TWA \ TWS681012141620
52°3.94.65.25.76.26.46.5
60°4.24.95.66.16.46.66.8
75°4.45.25.96.36.66.87.1
90°4.35.15.86.36.66.87.2
110°3.94.85.56.16.56.77.1
120°3.64.55.25.96.46.77.1
135°3.24.24.95.56.16.56.9
150°2.93.84.55.15.76.26.8
Beat VMG2.53.03.43.74.04.24.3
Run VMG2.63.44.14.85.35.96.6

Estimated Value

Limited Data
Based on 2 listings
Low
$17,765
Estimated Value
$17,765
High
$17,765
Inflation-adjusted to 2026 USD

Estimated Cost of Ownership

Based on 34ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.9K – $5.1K
Hull, rigging, sails, engine service
Annual Docking
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Known Issues & Pre-Purchase Inspection

8 reported issues across 6 systems for the CONTEST 34, compiled from owner reports in sailing forums and owner-association material.

5 critical1 major2 minor
Rigging2Engine2Structural1Rudder1Deck1Hull1

Unlock the full inspection report

Thinking of buying a CONTEST 34? 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 8 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 CONTEST 34?

We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.

Brands sometimes mentioned for this model: Volvo-Perkins — is it one of these?

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Used sails that fit the CONTEST 34

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