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20data points analyzed by Sailpages.com to compile this IDYLLE 1150 (BENETEAU) buyer’s report
IDYLLE 1150 (BENETEAU)

IDYLLE 1150 (BENETEAU)

Beneteau🇫🇷· Design: Jean Berret
1983–1988
$2.3K – $6.1K est. annual maintenance
Offshore CruisermonoMasthead SloopFin

Specifications

Hull

LOA37.73 ft
LWL28.87 ft
Beam12.14 ft
Draft4.36 ft
Deep Draft5.5 ft(1.68 m)
Displacement11,464 lb
Ballast5,510.7 lb
Hull speed1.34·√LWL7.2 kn

Rig & Sails

Pmainsail luff18.11 ft
Emainsail foot12.83 ft

About the IDYLLE 1150 (BENETEAU)

Derived from the FIRST 35 (aka BENETEAU R/C 35). Hull Length: 11.1m / 36.42ft

Sailpages Buyer's Take

The Beneteau Idylle 1150 is a 37.73 ft masthead sloop designed by Jean Berret and built by Beneteau (FRA) between 1983 and 1988. With a displacement of 11464.0 lb and a comfort ratio of 20.22, this vessel represents a classic French cruising design from the mid-80s, though the exact number of hulls built is not specified in the available data.

Best for:
This boat is best suited for coastal cruisers and those seeking a comfortable, stable platform for weekend getaways or short offshore passages, given its moderate displacement and fin keel configuration.
Bluewater capability:
With a capsize ratio of 2.16 and a displacement of 11464.0 lb, the Idylle 1150 possesses adequate stability for coastal and protected offshore cruising, though its fin keel and moderate ballast ratio suggest it is not a heavy-displacement bluewater passagemaker.
Comparables:
Comparable boats from this era include the Beneteau First 36 and the O'Day 36, as they share similar beam dimensions (around 12 ft) and displacement ranges, offering a balance of performance and interior volume typical of 1980s production cruisers.

Performance

Comfort20.2
Capsize2.16
SA/Disp17.6
Disp/Len213
Bal/Disp48.1

Pricing

We don't have market pricing data for the IDYLLE 1150 (BENETEAU) yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.

Estimated Cost of Ownership

Based on 37.73ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$2.3K – $6.1K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
N/A
No price data available

Known Issues & Pre-Purchase Inspection

8 reported issues across 4 systems for the IDYLLE 1150 (BENETEAU), compiled from owner reports in sailing forums and owner-association material.

3 critical4 major1 minor
Keel3Rigging3Deck1Rudder1

Unlock the full inspection report

Thinking of buying a IDYLLE 1150 (BENETEAU)? 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

Similar Sailboats

Which engine powers your IDYLLE 1150 (BENETEAU)?

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: Perkins, Sole, Beta — is it one of these?

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Used sails that fit the IDYLLE 1150 (BENETEAU)

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