The Atlantic 38, designed by the renowned British naval architect Walter F. Rayner in the early 1960s, represents a pinnacle of the mid-century "proper yacht" philosophy. Originally conceived as a rugged, heavy-displacement offshore cruiser, the model first entered production in 1963 and was built by esteemed yards such as Woodnutt & Co. and J. Hinks & Son. While early iterations featured traditional mahogany-on-oak construction, the design’s success led to the development of the Atlantic Mk II, a 40-foot GRP (glass-reinforced plastic) evolution with hulls molded by Halmatic. Often referred to as a "power ketch" due to its substantial engine configurations and reliable motor-sailing capabilities, the Atlantic 38 was engineered for the demanding conditions of the English Channel and North Sea. Technical details and restoration histories maintained at Atlantic 38 Memories highlight the vessel’s reputation for "sturdy competence" and its transition from a bespoke wooden craft to a pioneering GRP cruiser.
Atlantic 38 Information, Review, Specs

- Make
- Atlantic
- Model
- 38
- Builder
- Woodnutt & Co
- Designer
- Walter F. Rayner
- Number Built
- Production Year(s)
- 1963 - ??
Sailing Performance & Handling
The Atlantic 38 is a quintessential heavy-displacement cruiser, characterized by a Displacement/Length (D/L) ratio of approximately 348. This high figure translates to a boat that is exceptionally sea-kindly and stable, ignoring the "hobby-horsing" motion often found in lighter, modern hulls. With a ballast-to-displacement ratio of 37%, the vessel carries its weight low in a long iron keel, providing excellent directional stability and tracking. However, with a Sail Area/Displacement (SA/Disp) ratio of roughly 12.3, the Atlantic 38 is not a light-air performer; it requires a stiff breeze to overcome its 21,000-pound inertia.
In heavy weather, the ketch or masthead sloop rig allows for versatile sail plans, keeping the center of effort low and manageable. Owners frequently report that the boat feels "unstoppable" in a head sea, though its long keel makes maneuvering in tight marinas a challenge that requires practiced use of the throttle. Most owners treat the vessel as a motor-sailer in winds under 10 knots, utilizing the typical 50–60 hp diesel engine to maintain a steady 6-7 knot cruising speed.
Interior Comfort & Variations
The interior of the Atlantic 38 was groundbreaking for the 1960s, offering a level of accommodation that contemporary reviewers compared favorably to the more motor-oriented Broom boats. The layout typically features a spacious aft cabin—a luxury for a 38-footer of that era—and a sheltered mid-cockpit or wheelhouse that provides excellent protection from the elements. The use of high-quality joinery, often in solid mahogany or teak, creates a warm, traditional atmosphere below deck.
The design saw several sibling variants built on similar lines to satisfy different market segments. The Barbary Ketch (32') served as a smaller, more accessible version, while the Atlantic Mk II expanded the hull to 40 feet to accommodate modern GRP construction techniques. A rare 43-foot variant, known as the Pacific Class, was also produced for those seeking even greater offshore endurance. Across all variants, the "Raynor look" is defined by a high-volume hull that prioritizes headroom and storage, making it a favorite for long-term liveaboards and coastal explorers.
Popular Mentions & Media
The Atlantic 38 earned high praise from the maritime literati of its day. In his seminal work The Proper Yacht, author Arthur Beiser described the design as an "able cruiser" that radiated a sense of "sturdy competence." This endorsement cemented the boat’s status among blue-water traditionalists. Additionally, Yachting Monthly conducted a comprehensive review of the GRP Mk II version in 1978, concluding that the updated construction brought the successful Rayner design back to the forefront of the cruising market.
Known Issues & Buyer’s Checklist
Prospective buyers of the Atlantic 38 must distinguish between the wooden Mk I and the GRP Mk II models, as their maintenance requirements differ significantly.
- Iron Ballast & Keel Bolts: The long iron keel is prone to oxidation if the protective coatings are breached. In wooden models, the keel bolts should be drawn and inspected for "weeping" or structural degradation.
- Wooden Hull Integrity: For early mahogany-on-oak hulls, a thorough survey is required to check for rot in the stem, sternpost, and lower frames. Particular attention should be paid to the area around the chainplates.
- Deck Core & Leaks: On GRP Mk II models, evaluate the deck for soft spots, especially around the wheelhouse and stanchion bases, where moisture can penetrate the core.
- Engine Access: While the engine rooms are centrally located, they can be cramped. Check for historical maintenance records of the Parsons or Perkins diesels commonly found in these hulls, as parts for older units are becoming increasingly scarce.
Community & Resources
The primary hub for technical data and historical documentation is the Atlantic 38 Power Ketch resource, which provides restoration logs, original price lists from the 1960s, and insights into the building techniques used by J. Hinks & Son. Owners also frequently interact through regional classic boat associations in the UK and the Netherlands, where many of these vessels are still actively cruised.
The Verdict
The Atlantic 38 (Raynor) is a formidable offshore cruiser for the sailor who values comfort and safety over raw speed.
Pros:
- Exceptional sea-kindliness and heavy-weather stability.
- High-quality traditional craftsmanship and interior joinery.
- Excellent "live-aboard" potential with a private aft cabin.
- Reliable tracking and easy handling under autopilot or wind-vane.
Cons:
- Poor performance in light winds (requires motor-sailing).
- Challenging to maneuver in reverse due to the long keel.
- High maintenance requirements for early wooden hull versions.
- Low sail-area-to-displacement ratio limits racing potential.
Measurements
Construction & Hull
- Construction Material
- Wood
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- 7800 lbs (Iron)
- Displacement
- 21000 lbs
- Water Capacity
- 82 gal
- Fuel Capacity
- 82 gal
Dimensions
- Length Overall (LOA)
- 38 ft
- Waterline Length (LWL)
- 30 ft
- Beam
- 11.5 ft
- Draft
- 5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 583 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 12.25
- Ballast / Displacement Ratio
- 37.14
- Displacement / Length Ratio (D/L) Ratio
- 347.22
- Comfort Ratio
- 38.73
- Capsize Screening Formula
- 1.67
- Hull Speed
- 7.34 kn