Beneteau Kerlouan Information, Review, Specs

Beneteau Kerlouan Drawing
Make
Beneteau
Model
Kerlouan
Builder
Beneteau
Designer
André Bénéteau
Number Built
Production Year(s)
1972 - 1979

The Beneteau Kerlouan stands as a significant milestone in the evolution of the Vendée-based shipyard, representing the brand’s successful transition from traditional wooden fishing vessels to the modern era of fiberglass leisure craft. Introduced in the late 1960s and produced until approximately 1975, the Kerlouan was designed by André Bénéteau himself. It was conceptualized during a period when the "pêche-promenade" (fishing-cruising) category was burgeoning in France, offering a hybrid solution for sailors who desired a vessel capable of both coastal exploration and reliable fishing. With its distinctive high freeboard, rounded stern, and robust construction, the Kerlouan helped solidify Beneteau’s reputation for seaworthiness in the recreational market.

The Kerlouan was part of a cohesive family of early polyester models that shared a similar aesthetic and utilitarian philosophy. Its most direct siblings include the smaller Beneteau Forban (6 meters) and the larger, more legendary Beneteau Baroudeur (7 meters), which shared the Kerlouan's emphasis on safety and stability over raw speed. During its production run, several hundred units were manufactured, many of which remain in active service today across the Atlantic coast of Europe, a testament to the heavy-duty hand-laid fiberglass schedules used during Beneteau’s early industrial years.

Sailing Performance & Handling

The Kerlouan is a heavy-displacement coastal cruiser that prioritizes "sea-kindliness" and safety above all else. With a length overall of roughly 6.45 meters and a generous beam, the hull is designed to feel "planted" in the water. Unlike modern lightweight fin-keelers, the Kerlouan typically features a long keel or a bilge keel configuration, which provides exceptional tracking and allows the boat to be dried out in tidal harbors—a critical requirement for its original French Atlantic market.

Under sail, the Kerlouan is best described as steady and predictable. Its sail-area-to-displacement ratio is modest, meaning it requires a stiff breeze to truly come alive. It is not a boat designed for pointing high into the wind; rather, it excels on a reach where its momentum can carry it through chop that would stall lighter 21-footers. Handling is managed via a simple tiller arrangement, and the cockpit is deep and well-protected, offering a sense of security that is rare in boats of this size. Early marketing materials from the manufacturer emphasized its ability to handle "les mers formées" (rough seas), a claim backed by many owners who have utilized the Kerlouan for cross-channel hops and extended coastal voyages.

Interior Comfort & Variations

For a vessel of less than 22 feet, the Kerlouan offers a surprisingly functional interior that maximized the "voluminous" hull shape characteristic of André Bénéteau’s designs. The layout is a classic "all-in-one" cabin, featuring a V-berth in the bow and two lateral benches that can serve as additional berths. The headroom is generous for the era, though tall sailors will still find themselves crouching. The use of wood trim against the white fiberglass liners was a hallmark of the era, providing a nautical, if utilitarian, ambiance.

There were minor variations throughout the production cycle, primarily concerning the galley and engine placement. Some units were fitted with a small pull-out stove and a basic sink, while others prioritized a larger cockpit for fishing. The Kerlouan was often sold as a motor-sailer hybrid, frequently equipped with small inboard diesel engines (such as the Renault Couach or early Yanmars), which necessitated a central engine box inside the cabin. This box often doubled as a table, creating a central social hub despite the constrained square footage.

Known Issues & Buyer’s Checklist

Purchasing a Kerlouan today requires a diligent inspection of its structural integrity, as many of these vessels are now over 50 years old. Prospective buyers should focus on the following high-signal areas:

  • Osmosis and Hull Blistering: As an early fiberglass build, the Kerlouan was constructed before the widespread use of vinylester resins. Buyers should check for osmotic blistering, particularly near the waterline and around the keel joins. While the hulls are thick, significant "wiping" or moisture retention can require professional stripping and drying.
  • Deck Core Integrity: Like many boats of this vintage, the Kerlouan uses a sandwich construction for the deck. Soft spots around the mast step or the chainplates are common indicators of water ingress into the core material, usually caused by degraded sealant on deck hardware.
  • Rudder Pintles and Bushings: The heavy, transom-hung rudder is subject to significant stress. Check for excessive play in the pintles and gudgeons, as well as any signs of delamination in the rudder blade itself.
  • Original Inboard Engines: Many Kerlouans still house their original small-horsepower diesel engines. Parts for 1970s-era Renault Couach engines are increasingly difficult to source. A buyer should verify the cooling system's health or budget for a modern repower or an outboard conversion using a transom bracket.
  • Chainplate Attachments: Inspect the internal points where the shrouds meet the hull. Over decades of tension, these points can show signs of stress cracking or "creep" in the fiberglass if they have not been reinforced or re-bedded.

The Verdict

The Beneteau Kerlouan is a "little ship" that offers a level of seaworthiness far beyond its modest dimensions. While it lacks the speed and interior refinement of modern cruisers, its rugged construction and classic lines make it an excellent choice for a solo sailor or a couple seeking a low-cost, high-character coastal explorer.

Pros

  • Robust Construction: Built during an era when fiberglass was used liberally, leading to a very stiff and durable hull.
  • Coastal Versatility: The shallow draft and stable hull make it ideal for exploring rocky coasts and tidal estuaries.
  • Low Operating Costs: Simple systems and a small sail plan keep maintenance and slip fees to a minimum.

Cons

  • Pedestrian Performance: It is a slow sailor, particularly in light winds or when trying to tack through a tight angle.
  • Age-Related Maintenance: Buyers must be prepared to address 50-year-old plumbing, wiring, and potential hull moisture issues.
  • Cramped for Families: While it technically sleeps four, it is realistically a two-person boat for anything beyond a day trip.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x Transom-Hung
Ballast
1102 lbs
Displacement
3527 lbs
Water Capacity
13 gal
Fuel Capacity
7 gal

Dimensions

Length Overall (LOA)
21 ft
Waterline Length (LWL)
17.06 ft
Beam
8.04 ft
Draft
3.12 ft
Max Headroom
-
Air Draft
30.5 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
269 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
18.57
Ballast / Displacement Ratio
31.24
Displacement / Length Ratio (D/L) Ratio
317.12
Comfort Ratio
18.6
Capsize Screening Formula
2.11
Hull Speed
5.53 kn