Beneteau Oceanis 350 WK Information, Review, Specs

Sailing Performance & Handling

The Oceanis 350 WK is characterized by its moderate displacement and a hull shape that favors initial stability. With a sail area to displacement ratio (SA/Disp) typically hovering in the mid-16s, it is not a "light air flyer," but it maintains momentum well once the breeze reaches 10 to 12 knots. The Briand hull features a relatively flat run aft and a fine entry, which helps the boat track well on a reach.

The wing keel variant specifically alters the handling dynamics compared to the deep-fin sibling. While the wing keel allows for a draft of approximately 4'2" (1.25m), it increases the total wetted surface area. In light winds, this can result in slightly more drag. However, the design of the "Schiel" or wing keel provides a more efficient foil than a traditional long shallow keel, meaning the 350 WK points surprisingly well upwind for a shallow-draft cruiser, though it will experience more leeway than the 5'11" (1.80m) deep-keel version. Owners often report that the boat feels stiff and predictable, though the large, high-aspect-ratio mainsail requires early reefing—typically around 15-18 knots of true wind—to keep the helm balanced and prevent the boat from "rounding up" in gusts.

Interior Comfort & Variations

The interior of the Oceanis 350 was revolutionary for its time, primarily due to the "panoramic" coachroof windows that flood the salon with natural light. This design choice, while aesthetically bold, creates an expansive sense of space that was largely unmatched in the 35-foot category during the late 80s. The woodwork is typically light mahogany or "Alpi" style veneers, which further enhances the airy feel.

Beneteau offered the 350 in two primary configurations: a two-cabin "owner" layout and a three-cabin "charter" layout. The two-cabin version features a massive aft stateroom oriented athwartships and a larger head compartment with a dedicated wet locker. The three-cabin sibling, built on the same hull, splits the aft section into two separate double berths; while this increases sleeping capacity, it sacrifices some storage and the spaciousness of the head. Both versions share a U-shaped galley to port, which is well-braced for cooking at sea, and a central salon table capable of seating six. The headroom is notable, exceeding 6'2" in the main cabin, making it a viable choice for taller sailors.

Known Issues & Buyer’s Checklist

Prospective buyers of an Oceanis 350 WK should focus their inspection on several age-related and model-specific areas. As these boats approach their fourth decade of service, the following technical points are frequently discussed among the owner community and in technical surveys:

• Panoramic Window Leaks: The signature large windows are the boat's most common failure point. The original sealant often degrades, leading to leaks that can damage the interior woodwork. Re-bedding these windows is a labor-intensive but necessary task for many hulls.
• Grid/Liner Bonding: Like many Beneteaus of this era, the hull is reinforced with an internal fiberglass grid (matrix) bonded to the hull. Buyers should check for any signs of separation or "crazing" in the bilge, particularly around the keel bolts and the mast step, which could indicate a hard grounding or structural fatigue.
• Keel-Hull Joint: The wing keel exerts different stresses on the hull than a standard fin. Inspect the "smile" at the leading edge of the keel-hull joint for signs of movement or rust weeping from the keel bolts.
• Rudder Bearings: The 350 uses a spade rudder that can develop play in the bearings over time. A "clunking" sensation in the wheel or visible movement at the quadrant often necessitates bearing replacement.
• Engine Maintenance: Most 350s were fitted with Volvo Penta or Perkins diesel engines. While reliable, the raw water cooling systems and exhaust elbows should be checked for scale buildup and corrosion typical of older marine diesels.

Community & Resources

Owners of the Oceanis 350 benefit from a robust global support network. The most prominent resource is the Beneteau Owners Association, which provides a repository of technical manuals, wiring diagrams, and parts lists. Additionally, the Beneteau Oceanis 350 Group on various social platforms serves as a technical exchange for DIY repairs, specifically regarding the unique challenges of maintaining the vintage panoramic windows and wing keel.

The Verdict

The Beneteau Oceanis 350 WK remains a highly sought-after used cruiser for those who prioritize interior volume and shallow-water capability over raw racing speed. It is a quintessential "coastal hopper" that feels larger than its 35 feet.

Pros:

• Exceptional Interior Light: The panoramic windows create one of the brightest salons in its class.
• Shallow Draft: The wing keel opens up cruising grounds like the Bahamas or the Chesapeake Bay.
• Predictable Handling: Stiff and stable hull form that builds confidence in coastal conditions.
• Spacious Aft Cabin: The two-cabin version offers a primary berth usually found on 40-foot vessels.

Cons:

• Window Maintenance: High potential for leaks requiring specialized repair.
• Light Air Drag: The wing keel's increased wetted surface can hinder performance in very light winds.
• Aging Systems: Older electrical panels and plumbing may require significant upgrades for modern cruising.