Beneteau First 21.7 — Information, Review, Specs

Groupe Finot·2004·Beneteau
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · lifting
Rig
Fractional Sloop
LOA
21' · 6.4 m
Displ.
2,745 lbs · 1,245 kg
First year
2004

The Beneteau First 21.7 represents a pinnacle in the evolution of the small, performanceoriented cruising yacht. Launched in 2004 as the successor to the highly successful First 210 and 211 models, the 21.7 utilizes the same iconic hull designed by the renowned naval architecture firm FinotConq. It is a vessel that successfully bridges the gap between a spirited dinghy and a capable coastal cruiser. By integrating Beneteau’s heritage of industrial efficiency with a design philosophy centered on stability and speed, the 21.7 has become a staple in European sailing schools and a favorite among "pocket cruiser" enthusiasts worldwide.

Measurements

Dimensions 01

LOA
21 ft
LWL
19.68 ft
Beam
8.14 ft
Draft
5.91 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Lifting
Rudder
1× —
Ballast
- (Iron)
Displacement
2745 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
27.23 ft
E · main foot
9.35 ft
I · fore ht.
28.18 ft
J · fore base
7.87 ft
Forestay (est)
29.26 ft
Sail area
271 sqft

Calculations 04

SA/D ratio
22.11
Ballast/Disp.
D/L ratio
160.78
Comfort ratio
12.94
Capsize screening
2.33
Hull speed
5.94 kn

Sailing Performance & Handling

The First 21.7 is celebrated for its exceptional stability and "big boat" feel despite its modest 21-foot length. This is largely attributed to its twin rudders and deep lifting keel. When the keel is fully extended to its 1.80-meter (5'11") depth, the boat exhibits a high righting moment, allowing it to carry its sail area effectively in a breeze. The twin rudders are a critical design feature; as the boat heels, the leeward rudder remains vertical and fully immersed, providing superb grip and preventing the "rounding up" common in single-rudder boats of this size.

In an editorial review by Yachting Monthly, the handling was noted for being light and responsive, akin to a large racing dinghy but with the security of a ballasted keel. The rig is a fractional sloop without a backstay, which allows for a modern, large-roach mainsail. This configuration, combined with a relatively high Sail Area/Displacement ratio, ensures the 21.7 remains competitive in light air while the hull's broad transom provides the buoyancy needed to plane or semi-plane when reaching in stronger winds.

Interior Comfort & Variations

For a boat of its dimensions, the First 21.7 offers a remarkably functional interior, achieved through the clever use of a structural inner molding. This molding not only provides rigidity but also houses the closed-cell foam that makes the vessel officially unsinkable. The layout is open-plan, featuring a double V-berth forward and two long settee berths running aft. This configuration can technically sleep four adults, though it is most comfortable for a couple or a young family.

The 21.7 brought aesthetic refinements over its predecessors, the 210 and 211, introducing lighter wood finishes and improved upholstery. The "S" variant (First 21.7 S) further modernized the aesthetic with light oak joinery and updated deck hardware. While the boat lacks a dedicated heads (toilet) compartment, most owners utilize a chemical toilet tucked under the companionway or forward berth. The galley is rudimentary, typically consisting of a single-burner stove and a small sink, reinforcing the boat's identity as a weekend cruiser rather than a long-range voyager.

The hull's versatility is further evidenced by its sibling models. The original First 210 started the revolution in 1992, followed by the First 211, which added a small anchor locker and refined deck moldings. After the 21.7’s production run, Beneteau introduced the First 20, which utilized the same hull but moved to a more modern square-top mainsail and replaced the stay-supported mast with a more swept-back spreader design.

The First 21.7 and its predecessors have gained a "cult" status in the sailing community, frequently appearing in maritime media as the benchmark for the "first-time buyer" boat. Its design is often compared to the Mini 6.50 class of ocean racers, which share the same Finot-Conq DNA of wide beams and twin rudders. The model is a frequent subject of "restoration and racing" features in European publications, praised for its longevity and the high resale value maintained by its enduring popularity in the used market.

Known Issues & Buyer’s Checklist

Prospective buyers should focus their inspections on the unique mechanical aspects of the 21.7:

  • Keel Pivot Bolt and Lifting Mechanism: The lifting keel is operated by a worm-drive screw accessible from the cabin. This system requires regular lubrication. Buyers should check for excessive "clunking" while sailing, which may indicate worn nylon spacers or a pivot bolt that needs replacement.
  • Twin Rudder Linkage: The rudders are connected by a transverse bar. Any significant play in the helm usually points to worn bush bearings in the rudder stocks or looseness in the connecting rod ends.
  • Deck Compression: Like many boats with a deck-stepped mast, the area beneath the mast step should be inspected for hairline cracks or depression, though the 21.7 is generally robust in this area due to its internal support pillar.
  • Outboard Bracket: The boat is powered by an outboard motor on a transom bracket. Ensure the bracket is securely mounted and that the transom shows no signs of stress cracking from heavy four-stroke engines.

Community & Resources

Owners of the 21.7 benefit from one of the most active small-boat communities in the world. The Beneteau First 210-211-21.7 Association serves as a primary hub for technical manuals, tuning guides, and organized rallies. This group is instrumental in sharing knowledge regarding keel maintenance and racing modifications, ensuring that even novice owners have access to high-level technical support.

The Verdict

The Beneteau First 21.7 remains one of the most successful small cruisers ever built, offering a blend of safety, performance, and simplicity that is difficult to match.

Pros:

  • Exceptional stability and control due to twin rudders and a deep keel.
  • Unsinkable construction provides significant peace of mind for coastal passages.
  • Easy to trail and launch compared to fixed-keel boats of similar weight.
  • Strong resale value and an active, helpful owner community.

Cons:

  • Limited interior headroom and lack of a private heads compartment.
  • Keel lifting mechanism requires diligent seasonal maintenance.
  • The absence of a backstay limits some fine-tuning options for advanced racers.

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