The Beneteau Oceanis 50 Sailboat: Specs, Performance Analysis & Cruising Characteristics

Key Takeaways: The Beneteau Oceanis 50 is a voluminous, fifth-generation cruiser from Berret-Racoupeau and Nauta Design. Known for its distinct mainsheet arch and expansive interior, it offers a stable, high-comfort platform for Mediterranean hops or long-distance coastal cruising. Its high freeboard and displacement make it less of a light-wind specialist, but it excels as a liveaboard for families or groups who value space over racing agility.

A Beneteau Oceanis 50

Design & Construction
Sail Areas & Rig Dimensions
Configuration, Layout & Cruising Characteristics
Published Specification: The Beneteau Oceanis 50 Blueprint
Performance Analysis: Understanding the Design Ratios
The Buyer’s Checklist: Common Problem Areas
Comparison: Beneteau Oceanis 50 vs The Competition
Summing Up
Frequently Asked Questions (FAQs)

Launched in 2005, the Beneteau Oceanis 50 marked a significant shift in the French builder's approach to large-scale production yachts. It was designed to bridge the gap between luxurious "superyacht" aesthetics and the practical needs of the recreational sailor. With naval architecture by Berret-Racoupeau and an interior by Nauta Design, it departed from the more traditional lines of earlier 50-foot models, introducing a sleeker coachroof and a more architectural interior.

Design & Construction

The Oceanis 50 was built by Beneteau in France, employing a monolithic glass-reinforced plastic (GRP) hull. The deck uses a balsa sandwich construction for weight savings and thermal insulation, a standard Beneteau practice that helps create a stiff, durable structure. One of the defining features of this model is the integrated mainsheet arch. This structural element serves two purposes: it moves the mainsheet traveller off the coachroof, keeping the cockpit clear of dangerous lines, and it provides a robust frame for sprayhoods and biminis.

While most units were delivered as aft-cockpit sloops, the model was available in several variations to suit different cruising grounds. Buyers could choose a deep-draft fin keel (2.10 m / 6'11") for better upwind performance or a shallow-draft version (1.75 m / 5'9") for exploring thin-water regions like the Bahamas or the French canals. Internally, the "Family" version often featured up to five cabins, whereas the "Owner" version prioritised a palatial forward master suite with an island bed and ensuite. The yacht is certified CE Class A (Ocean), meaning it is built for significant self-sufficiency and for conditions exceeding Force 8 winds and 4-metre waves.

Sail Areas & Rig Dimensions

Rig dimensions

The standard rig is a 9/10 fractional sloop, often equipped with in-mast furling for ease of handling. For those seeking more power, a "Performance" version was produced with a taller mast and higher-quality rigging.

Mainsail Area: 51.60 m² (555 ft²)
Genoa Area: 64.20 m² (691 ft²)
I (Foretriangle Height): 17.69 m (58'0")
J (Foretriangle Base): 6.05 m (19'10")
P (Mainsail Luff): 15.51 m (50'11")
E (Mainsail Foot): 5.40 m (17'9")

Configuration, Layout & Cruising Characteristics

The Oceanis 50 is designed for living well. The cockpit is exceptionally wide, featuring twin steering wheels that create a clear walkway to the sugar-scoop transom. This layout is ideal for Mediterranean mooring and easy water access. Below decks, the saloon is flooded with natural light through long side windows and numerous deck hatches.

Practicality is a strong suit here. The linear or U-shaped galley (depending on the version) offers ample refrigeration and workspace. Tankage—typically 565 litres (124 gallons) of water and 235 litres (52 gallons) of fuel—is sufficient for coastal hops, though serious blue-water cruisers often opt to install additional fuel bladders or a watermaker.

Published Specification: The Beneteau Oceanis 50 Blueprint

Specification	Data (Imperial & Metric)
LOA	49'6" (15.10 m)
LWL	43'8" (13.30 m)
Beam	14'9" (4.49 m)
Draft (Standard/Deep)	6'11" (2.10 m)
Draft (Shallow)	5'9" (1.75 m)
Displacement	28,491 lbs (12,923 kg)
Ballast	9,370 lbs (4,250 kg)
Rig Type	9/10 Fractional Sloop
Hull Material	Monolithic GRP
Production Dates	2005 – 2010

Performance Analysis: Understanding the Design Ratios

To understand how the Oceanis 50 behaves at sea, we need to look beyond the brochures. These ratios provide a useful view of its design priorities. For a broader context on these metrics, see our guide on Understanding Boat Performance & Design Ratios.

Ratio	Value	Expert Interpretation
SA/D	19.7	A respectable "Performance Cruiser" figure. It suggests enough power to move in light air, but it will need its engine in true zephyrs.
D/L	153	Light to moderate. This indicates a hull that is easily driven and capable of high surfing speeds downwind.
B/D	33%	Standard for a modern production yacht. Much of its stability comes from its wide beam (form stability) rather than just the lead in the keel.
CSF	1.96	Values under 2.00 are considered suitable for ocean sailing. The 50 is safe, though its wide beam makes it slightly more prone to remaining inverted than a narrow boat.
Comfort Ratio	25.9	The Brewer Motion Comfort Ratio suggests a "medium" motion. It is not a heavy-weather "cork," but it provides a stable platform for most coastal conditions.

Structural Integrity & Stability Dynamics

The use of a monolithic GRP hull provides a high level of impact resistance and avoids the risks associated with core rot in the hull. However, the wide beam and flat sections that make the Oceanis 50 so comfortable at anchor also affect its motion in a head sea. In choppy conditions, the flat bow sections can occasionally slam, which is the trade-off for the massive interior volume. The yacht's stability relies heavily on its beam. That delivers a very upright sailing experience in moderate winds, but it also means reefing early once the breeze builds to keep the boat on its feet.

The Buyer’s Checklist: Common Problem Areas

When inspecting a used Oceanis 50, pay particular attention to:

The Arch & Coachroof: Check for any stress cracking around the mainsheet arch mounts. While robust, these areas handle significant loads.

Chainplates: Inspect the tie-rods that connect the chainplates to the hull grid. Ensure there is no evidence of movement or water ingress.

Rudder Bearings: Given the twin-wheel setup and large rudder, check for excessive play or stiffness in the steering system.

Seacocks: Early models used brass fittings which may require replacement with composite or DZR brass if original.

Comparison: The Beneteau Oceanis 50 vs The Competition

In the 50-foot category, the Oceanis 50 competes primarily with the Jeanneau Sun Odyssey 50DS and the Bavaria 50. The Jeanneau offers a "Deck Saloon" feel with even more light, but it often lacks the integrated arch of the Beneteau. The Bavaria is frequently seen as more of a "workhorse" with a simpler interior, whereas the Beneteau presents itself as a more "stylised" option. Compared with a true bluewater heavy-displacement yacht like a Hallberg-Rassy, the Oceanis 50 is faster in moderate air but lacks the heavy-weather "tank-like" feel in a gale.

If you'd like to compare this boat with others in this size range, take a look at Cruising Boats from 45' to 50' overall....

Could this be your ideal cruising boat?

It may well be, but before going any further, it might be worth taking a look at my eBook 'How to Avoid Buying the Wrong Sailboat'...

Summing Up

The Beneteau Oceanis 50 remains one of the most successful production yachts of its era. It is not an out-and-out racer, nor is it a traditional heavy-displacement world cruiser. Instead, it occupies the middle ground, offering immense comfort, modern aesthetics, and predictable performance. For a family looking to spend a season in the Ionian or cruise the coast of France, it offers a level of space and ease of use that is hard to beat at this price point.

This article was written by Dick McClary, RYA Yachtmaster and author of the RYA publications 'Offshore Sailing' and 'Fishing Afloat', member of The Yachting Journalists Association (YJA), and erstwhile member of the Ocean Cruising Club (OCC).

Frequently Asked Questions (FAQs)

Is the Oceanis 50 suitable for single-handed sailing?

While large, the lines are led aft to the cockpit, and the twin-wheel layout makes it easy to move between the helm and the winches. With an autopilot and a bow thruster, she is manageable for an experienced solo sailor.

How does the in-mast furling affect performance?

In-mast furling is convenient but results in a flatter mainsail with no roach. While this reduces pointing ability slightly, the ease of reefing often outweighs the performance loss for cruising couples.

What is the typical cruising speed under power?

Equipped with a 75hp or 110hp Yanmar, the Oceanis 50 comfortably cruises at 7 to 8 knots at 2,400 RPM.

Can the Oceanis 50 handle a trans-Atlantic crossing?

Yes. With its CE Class A rating and high stability, many have completed the ARC and other ocean crossings. However, additional solar and fuel capacity are usually required.

Is the shallow draft version much slower than the deep draft?

The deep draft keel provides better lift and less leeway when sailing upwind. For most cruisers, the difference is negligible off the wind, but the deep keel is preferred for blue-water performance.