Kelt 8 Sailboat Review, Specs, and Listings

Gilles Ollier·1977 – 1984·Kelt Marine
Kelt 8 drawingBuilder drawing
Hull Type
Monohull · fin
Rig
Masthead Sloop
LOA
26.25' · 8 m
Disp.
5,291 lbs · 2,400 kg
First year
1977

The Kelt 8 is a family sloop that served as the flagship of the Vannes shipyard in the late 1970s, built in Vannes within the Golfe du Morbihan. Designed by Gilles Ollier and produced by Kelt Marine, it left the factory in 1979 as one of the larger cruisers then available, topping the Kelt range until the 8.50meter model arrived in 1983. Across its run, 400 copies were produced, establishing it as a recognizable coastal cruiser of its era rather than a oneoff experiment.

Measurements

Dimensions 01

Length Overall
26.25 ft
Length on deck
Waterline Length
20.34 ft
Beam
9.78 ft
Draft
4.59 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Spade
Ballast
2,778 lbs (Iron)
Displacement
5,291 lbs
Water Capacity
26 gal
Fuel Capacity
6 gal

Rig & sails 03

Rigging Type
Masthead Sloop
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
430 sqft

Calculations 04

Sail Area to Displacement Ratio
22.66
Ballast to Displacement Ratio
52.5
Displacement to Length Ratio
280.7
Comfort Ratio
17.73
Capsize Screening Ratio
2.25
Hull Speed
6.04 kn

Design and Construction

The Kelt 8 draws its character from a solid fibreglass hull with thick polyester layup typical of 1970s boatbuilding, a construction approach that favors durability over weight savings. At 26.25 feet overall with a 20.34-foot waterline, the hull carries a beam of 9.78 feet and a length-to-beam ratio of 2.68, figures that explain why period comparisons placed it roomier than the overwhelming majority of similar sailboats — the designer clearly pursued a significantly more spacious hull form. With 2,778 pounds of iron ballast against a 5,291-pound displacement, the boat sits at a ballast-displacement ratio of 52.5 percent, and the fin keel gives a deep draught of 1.64 meters. The immersion rate of about 693 pounds per inch speaks to a hull that resists squatting under load, useful for a boat rated to carry eight people by day.

Rig and Handling

Built as a masthead sloop, the Kelt 8 carries 430 square feet of sail area and a theoretical displacement-hull speed of 6.0 knots. Owners report that she holds 5 to 6 knots in calm sailing with 15 knots of apparent wind and that she handles close-hauled work very well, a combination that makes her a competent coastal performer without demanding expert crew. The spade rudder and fin keel give the predictable steering one expects of the type, and the modest 10-horsepower Yanmar inline-shaft diesel provides adequate auxiliary power for harbor maneuvers and light wind.

Accommodations

Below, the Kelt 8 is laid out for five berths with a forepeak double: a double cabin in the forepeak and three berths on the saloon settee benches. That arrangement, paired with the day capacity of eight people, shows a boat conceived for family coastal sailing in Southern Brittany rather than offshore passage-making. The volume afforded by the beamy hull translates directly into livable saloon space, the kind of interior that lets a couple or small family spend a weekend aboard without constant bumping.

Ownership Notes

The original Yanmar 10 hp inline shaft inboard remains the defining mechanical specification for the class, and the solid-hull construction with thick polyester layers suggests straightforward survey expectations for a boat of its vintage. Period reviews framed the Kelt 8 as a reasonable, solid family sailboat for coastal sailing, a judgment consistent with its production numbers and range position.

The Verdict

The Kelt 8 is a sensible coastal cruiser from a defined moment in French boatbuilding: a beamy, solidly built masthead sloop with a roomy five-berth interior and predictable handling. It is not a racer nor an offshore expedition vessel, but as a family day-and-weekend boat it delivers space and stability in a manageable 26-footer.

Pros

  • Roomy hull form, more spacious than most comparable designs of its size
  • Solid fibreglass construction with thick 1970s polyester layup
  • Good close-hauled handling and steady 5–6 knot speeds in moderate breeze
  • Practical five-berth layout with forepeak double and saloon berths

Cons

  • Deep 1.64 m draught limits some shallow anchorage access
  • Modest 10 hp auxiliary suited to calm conditions, not heavy weather motoring
  • Coastal-focused design, not intended for extended offshore use

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