The Beneteau First 235 SK represents a watershed moment in the evolution of the "pocket rocket" cruiser. Launched in 1986 and designed by the esteemed Groupe Finot, this vessel was a radical departure from the conservative, narrow-beamed trailersailers of the early 1980s. By incorporating design elements usually reserved for much larger racing yachts—such as a significant beam carried well aft and a sophisticated inner molding system—Beneteau created a boat that felt and performed like a 27-footer. The "SK" designation specifically denotes the shoal keel or swing-keel (Schwenkkiel) variant, a design choice that prioritized coastal versatility and trailerability without sacrificing the spirited performance that defined the First line. According to the Beneteau First Heritage records, the model was so successful that it remained in production until 1991, with nearly 700 units produced, cementing its status as a cult classic among performance-oriented cruisers.
Beneteau First 235 SK Information, Review, Specs

- Make
- Beneteau
- Model
- First 235 SK
- Builder
- Beneteau
- Designer
- Group Finot
- Number Built
- Production Year(s)
- 1986 - ??
Sailing Performance & Handling
The sailing characteristics of the First 235 SK are defined by Jean-Marie Finot’s "big boat" philosophy. Unlike its predecessor, the First 22, the 235 features a hull with high initial stability and a powerful sail plan. The boat is remarkably stiff for its size, thanks to its generous 8' 2" beam. When the wind picks up, the 235 tracks with precision, though the large mainsail and fractional rig require proactive reefing to manage weather helm.
In light air, the 235 is exceptionally nimble. The hull's minimal wetted surface area allows it to ghost along while heavier cruisers remain stationary. The SK (Swing Keel) version utilizes a cast-iron grounding plate and a pivoting centerboard. While the deep-keel version offers a slight edge in upwind pointing, the SK variant provides a versatile compromise, allowing owners to navigate thin water or tuck into protected anchorages that are inaccessible to fixed-keel yachts. Handling is often described as "dinghy-like" in its responsiveness, making it an ideal platform for sailors who enjoy "tweaking" controls, yet it remains seaworthy enough for coastal hops that would intimidate smaller day-sailers.
Interior Comfort & Variations
The interior of the First 235 is arguably its most famous feature. In an era when most 23-footers felt like cramped tunnels, Beneteau utilized an innovative, one-piece structural inner liner to maximize every cubic inch of space. The layout is remarkably sophisticated, featuring a genuine aft double berth tucked under the cockpit sole—a rarity for this size class. This arrangement provides a level of privacy and sleeping comfort usually found only in boats exceeding 30 feet.
The main salon includes a functional galley to port and a surprisingly large, dedicated navigation station to starboard. The use of light-colored woods and molded surfaces prevents the cabin from feeling claustrophobic. The "SK" variant’s interior is slightly impacted by the centerboard trunk, which is integrated into the salon table, though Finot’s design minimizes this intrusion effectively. Sibling variants included the Fixed Deep Keel (4' 7" draft) and the Wing Keel version; while the hull remained identical, the fixed-keel models offered a slightly more open cabin sole. The fit and finish was high for a production boat of the 80s, featuring zippered headliners for easy access to deck hardware and teak accents that provided a warmth rarely seen in modern "value" cruisers.
Known Issues & Buyer’s Checklist
Prospective buyers of the First 235 SK should focus their inspection on the specific mechanical and structural nuances of its age and design.
- Keel Pivot Bolt and Trunk: On the SK (Swing Keel) models, the pivot pin and the lifting mechanism are primary wear points. Water ingress or corrosion around the pivot pin can lead to "keel clunk" or, in extreme cases, structural weakening of the trunk. Inspect the lifting cable for fraying and ensure the winch operates smoothly.
- Deck Compression: Like many boats of this era, the mast step sits atop a deck that can suffer from core compression if the internal support post is not perfectly aligned or if water has intruded into the balsa core. Check for "crazing" or spider-web cracks around the mast base.
- Rudder Integrity: The 235 features a high-aspect spade rudder. Owners have occasionally reported "flutter" at high speeds. Inspect the rudder bearings for excessive play and check the blade for signs of delamination or water absorption.
- Portlight Leaks: The sleek, wrap-around plexiglass windows are a signature of the 235's aesthetic, but they are prone to leaking as the original sealant degrades. Re-bedding these requires patience and specific adhesives to maintain the structural integrity of the cabin house.
Community & Resources
The First 235 enjoys one of the most dedicated owner communities in the sailing world. The most prominent resource is the Beneteau 235 Owner's Association, an exhaustive technical wiki and forum that has archived almost every manual, brochure, and DIY repair guide imaginable for the model. While the manufacturer no longer stocks many proprietary parts, the community has developed standardized workarounds for everything from replacement rudders to upgraded mast steps.
The Verdict
The Beneteau First 235 SK remains a gold standard for the "small boat, big heart" category. It successfully bridges the gap between a high-performance racer and a comfortable weekend cruiser, offering amenities that were decades ahead of its time.
Pros:
- Exceptional interior volume with a true aft cabin.
- High-performance hull design that excels in light to moderate air.
- Trailering capability and shallow draft versatility (SK variant).
- Strong resale value and an active, helpful owner community.
Cons:
- Large mainsail can be a handful for solo sailors in heavy air.
- Swing-keel mechanism requires more maintenance than fixed-keel alternatives.
- The original wrap-around windows are prone to leaking and difficult to replace.
- Standard balsa-cored decks require vigilant moisture management.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Wing
- Rudder
- 1x —
- Ballast
- 750 lbs
- Displacement
- 2689 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 23.33 ft
- Waterline Length (LWL)
- 20.25 ft
- Beam
- 8.17 ft
- Draft
- 5.75 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 26.41 ft
- E (Main Foot)
- 10.3 ft
- I (Foretriangle Height)
- 28.61 ft
- J (Foretriangle Base)
- 7.87 ft
- Forestay Length (est)
- 29.67 ft
- Sail Area
- 249 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 20.6
- Ballast / Displacement Ratio
- 27.89
- Displacement / Length Ratio (D/L) Ratio
- 144.57
- Comfort Ratio
- 11.96
- Capsize Screening Formula
- 2.35
- Hull Speed
- 6.03 kn