Expert-reviewed · Based on owner reports · Updated weekly · FairHelm surveyor network

Beneteau

Oceanis 311

The Beneteau Oceanis 311 is one of Northern Europe's most recognisable production cruisers. Designed by Finot-Conq for Beneteau and built from 1997 to 2003, an estimated 1,042+ hulls left the Marionnaud yard — a high-volume 31-foot Beneteau cruiser with strong Baltic resale. With 9.54 m LOA, 3.28 m beam, and about 4,961 kg displacement, the model suits couples and small families cruising the Baltic, Skagerrak, and North Sea. The Oceanis 311 brought Finot-Conq lines to Beneteau's late-1990s volume range — shallow draft, a wide transom, and simple rigging that keeps Blocket and Scanboat comparables active. Buyers cross-shop Jeanneau Sun Odyssey 32.2 and Bavaria 30 at similar LOA before committing survey budget. Nordic buyers should compare asking price against documented rigging, saildrive, and keel work — cosmetic refreshes rarely replace deferred structural maintenance. Expect 70,000–180,000 kr annual baseline in Swedish marinas with realistic technical reserves. FairHelm tracks Oceanis 311 listings because these hulls trade constantly on Blocket, Scanboat, and German brokerage sites. Buyers are rarely choosing between "good" and "bad" boats — they are choosing between documented maintenance and deferred work. A polished teak cockpit or new plotter does not cancel unknown rigging age, keel-bolt corrosion, or moisture at chainplates. That is why survey discipline matters more here than brand romance. For Nordic ownership, Oceanis 311 works as a coastal weekender with occasional longer passages when equipped for cold-water sailing: reliable heating, solid ground tackle, and a realistic technical reserve beyond berth and insurance. Compare adjacent models in FairHelm's [model guides](/en/yachts/models/) and read survey notes before committing a deposit. The cheapest asking price on Blocket is rarely the cheapest boat to own over three seasons. When you shortlist an Oceanis 311, build a simple survey scorecard: hull moisture, rigging age, drivetrain service, and chainplate integrity. Owner forums and yard quotes from Stockholm, Gothenburg, and Helsingør help you separate cosmetic refresh from structural deferral — especially on boats marketed as "ready to sail" without invoices.

At a glance

Quick facts

Production
1997–2003
LOA
9.54 m
Beam
3.05 m
Model
Oceanis 311

Technical data

Length overall (LOA)
9.54 m
Beam
3.05 m
Production years
1997–2003

Typical problems

What standing rigging fatigue issues appear on Oceanis 311?
Unknown rigging age is common on Oceanis 311; budget replacement if invoices are missing.
What chainplate leak issues appear on Oceanis 311?
Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase.
What deck core moisture issues appear on Oceanis 311?
Stanchion bases and tracks concentrate water ingress without periodic rebedding.
What saildrive seal service issues appear on Oceanis 311?
Saildrive and engine service history should be complete before Baltic purchase.
What keel structure inspection issues appear on Oceanis 311?
Keel bolts and grounding history need professional survey on older imports.

Design History

Beneteau launched the Oceanis 311 in 1997 as a volume-built entry to the yard's Oceanis cruiser line — Finot-Conq hull lines, bright saloons, and production scale aimed at family buyers and charter operators across Northern Europe. At about 9.54 m LOA and 3.28 m beam, the model offered accessible coastal cruising with strong brokerage turnover decades after production ended. Production ran from 1997 to 2003; registry and owner-club sources suggest approximately 1,042+ completed hulls.

Beneteau positioned the Oceanis 311 for coastal and short offshore use in the 1997–2003 production window — explaining mixed maintenance histories on today's secondary market.

Mid-production changes were mostly interior trim, engine options, and deck hardware rather than fundamental hull revisions. That means survey condition, winter storage history, and rigging invoices usually matter more than the model year printed on the brochure. When you evaluate an Oceanis 311 on Blocket, treat the maintenance story as part of the specification — not a footnote after the asking price.

Annual Ownership Costs

Cost item Low (SEK) High (SEK) Notes
Marina berth 20,000 45,000 9.54 m class, Stockholm/Gothenburg
Insurance 8,000 22,000 Agreed value and cruising area
Haul-out + winter 12,000 28,000 Yard package varies by region
Antifouling + hull care 6,000 16,000 Materials and labour
Engine / drivetrain 5,000 16,000 Service intervals and saildrive
Rigging reserve 7,000 20,000 Standing rigging age
Deck / structural reserve 6,000 22,000 Bedding, moisture follow-up
Total annual 64,000 169,000 Excludes major refit years

Annual ownership for Oceanis 311 is predictable when service records are complete. Berth, storage, and insurance dominate fixed costs in Sweden. The largest variables are rigging replacement timing and any survey-led deck or drivetrain work triggered after purchase. Keep a separate technical reserve so routine season costs stay stable — especially on Blocket boats marketed as "ready to sail" without invoices.

Pre-Purchase Survey Checklist

Pre-Purchase Inspection Checklist: Beneteau Oceanis 311

Hull, Keel and Underwater Body

  1. Moisture-map the underwater hull; document osmosis or barrier-coat history on Oceanis 311 GRP of this era.
  2. Inspect keel-to-hull joint, keel bolts (if external iron), and backing structure for movement or recurring fairing cracks.
  3. Check rudder bearings and steering linkage under load during sea trial.

Deck and Hardware

  1. Test bedding at stanchions, tracks, and winches; open nearby interior access if damp stains appear.
  2. Inspect hatches and portlights for seal compression and core moisture at corners.
  3. Verify chainplate areas internally for rust staining or soft laminate.

Rig and Sail Systems

  1. Confirm standing rigging age with invoices; treat unknown age as near-term replacement on club-used hulls.
  2. Inspect mast step, spreaders, and terminals for corrosion or fatigue marks.
  3. Operate furling and reefing systems under realistic load.

Machinery and Systems

  1. Review engine and saildrive service including cooling, exhaust elbow, and mounts.
  2. Audit batteries, charging, and owner-added electrical work for safe fusing.
  3. Check tanks, bilges, and hoses for age-related seepage.

Owner reviews