Atlantic 23 Information, Review, Specs

Make
Atlantic
Model
23
Builder
Gade Marine
Designer
Gade
Number Built
70
Production Year(s)
1976 - ??

The Atlantic 23, produced by the Aachen-based shipyard Gade Marine, represents a pivotal moment in the builder’s history when the technical success of the "Lis" dinghy series was scaled into a legitimate cabin cruiser. Developed by Dieter Gade during the height of the fiberglass revolution in Germany, the Atlantic 23 was designed to bridge the gap between high-performance lake sailors and family-oriented coastal cruisers. Built using the same robust GRP (fiberglass-reinforced plastic) methods that defined the Gade Marine legacy, the Atlantic 23 offered a level of durability and ease of maintenance that was revolutionary for its era, specifically targeting sailors who required a trailerable vessel capable of weekend voyaging.

Sailing Performance & Handling

The Atlantic 23 is characterized by its adaptability, often found in two primary configurations: a fixed keel for enhanced stability or a keel-centerboard (Schwertkieler) version for shallow-water exploration. On the water, the boat exhibits the "stiff" sailing characteristics typical of Gade designs. Because the hull is relatively light—leveraging Gade's early expertise in GRP—it transitions quickly into motion even in light airs, a trait common to the inland-water specialized fleets of the Rursee and Möhnesee.

With a displacement-to-length ratio that leans toward the lighter side of the cruiser-racer spectrum, the Atlantic 23 feels responsive at the tiller. However, it is not a pure racing machine; its hull form prioritizes a dry ride and upright sailing to accommodate family crews. Owners frequently report that the boat tracks well upwind due to its deep rudder design, though like its smaller sibling, the Lis-Family, it requires attentive sail trimming in gusty conditions to manage its relatively high power-to-weight ratio. The boat's ability to be easily trailered and launched via a ramp makes it a favorite for "itinerant" sailors who move between the Baltic coast and Alpine lakes.

Interior Comfort & Variations

Unlike the minimalist "Schlupfkajüte" (cuddy cabins) found on the Lis-Jolle, the Atlantic 23 features a genuine living space designed for extended stays. The cabin typically provides four berths—two in the V-berth forward and two settee berths in the main salon. For a boat of approximately seven meters, the headroom is surprisingly functional, achieved through a slightly raised coachroof that does not compromise the vessel's sleek profile.

The interior finish reflects the utilitarian but high-quality German craftsmanship of the 1970s and 80s, often utilizing teak or mahogany trim against white GRP liners to maximize the sense of space. Variations of the model included different galley configurations; some hulls featured a slide-out stove arrangement, while others prioritized a larger navigation station. The Atlantic 23 also shares significant design DNA with its predecessor, the Atlantic 22, and its modern spiritual successor, the Lis 6.0. While the Lis 6.0 is slightly more compact, the Atlantic 23 remains the "big sister" of the Gade lineup, offering more dedicated storage lockers and a more defined separation between the sleeping and social areas.

Known Issues & Buyer’s Checklist

Prospective buyers of an Atlantic 23 should focus their inspection on the specific technical challenges associated with aging GRP cruisers and Gade's specific hardware choices:

  • Centerboard Mechanism: On keel-centerboard models, the internal winch and cable system can suffer from corrosion. It is essential to inspect the pivot bolt for play and ensure the centerboard trunk does not show signs of stress cracking or water ingress.
  • Deck Core Integrity: While Gade used high-quality resins, older models may experience delamination or "soft spots" around the mast step or stanchion bases. Check for localized flexing when walking on the foredeck.
  • Rudder Bushings: The Atlantic 23’s deep rudder puts significant leverage on the transom pintles and gudgeons. Excessive "slop" or vibration in the tiller often indicates that the bushings require replacement.
  • Window Seals: The elongated cabin windows are a signature feature but are prone to leaking after decades of UV exposure. Inspect the interior woodwork around the ports for water staining or rot.

Community & Resources

Owners of the Atlantic 23 are often integrated into the broader Gade Marine community. The most prominent resource for technical support and class-specific information is the Lis-Klassenvereinigung e.V. (Lis Class Association). While the association focuses heavily on the Lis-Jolle and Lis-Family, they remain the primary repository for Gade Marine technical history, spare parts sourcing, and organized regatta information for all Dieter Gade-designed hulls.

The Verdict

The Atlantic 23 is a masterclass in the "pocket cruiser" category, offering a rare blend of German engineering, trailerability, and genuine overnight capability. It is an ideal vessel for the sailor who values the ability to explore different sailing grounds without the expense of a permanent mooring.

Pros:

  • Highly durable GRP construction with a long-standing reputation for safety.
  • Excellent trailerability, allowing for easy transport between inland and coastal waters.
  • Functional interior layout that comfortably accommodates a small family.

Cons:

  • The age of most hulls requires diligent maintenance of the centerboard and standing rigging.
  • Limited standing headroom compared to modern, high-volume cruisers in the same length class.
  • The light displacement can make it feel "lively" in heavy seas, requiring early reefing.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Wing
Rudder
1x —
Ballast
661 lbs
Displacement
2205 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
23.29 ft
Waterline Length (LWL)
19.09 ft
Beam
8.2 ft
Draft
5.25 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

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

Calculations

Sail Area / Displacement (SA/D) Ratio
17.47
Ballast / Displacement Ratio
29.98
Displacement / Length Ratio (D/L) Ratio
141.5
Comfort Ratio
10.15
Capsize Screening Formula
2.52
Hull Speed
5.85 kn