The Tradewind 35 stands as a definitive example of the "proper" bluewater cruiser, a vessel designed with an unwavering commitment to ocean-crossing safety and heavy-weather resilience. Designed by John Rock in the mid-1980s as an evolution of the highly successful Tradewind 33, the 35-footer refined the hull lines and increased the volume to meet the demands of sailors seeking a more substantial long-term home on the water. Primarily built by John Rock Yachts in the United Kingdom, often with hulls molded by masters like Northshore Yachts before being fitted out in the UK or the Netherlands, the Tradewind 35 represents a peak era of robust GRP construction. It is a heavy-displacement, full-keeled cutter that prioritizes directional stability and structural integrity over the lightweight performance metrics of modern production boats.
Tradewind 35 Information, Review, Specs

- Make
- Tradewind
- Model
- 35
- Builder
- Tradewind Yachts
- Designer
- John Rock
- Number Built
- 70
- Production Year(s)
- 1975 - ??
Sailing Performance & Handling
The sailing characteristics of the Tradewind 35 are governed by its high displacement and traditional hull form. With a displacement-to-length ratio that firmly categorizes it as a heavy cruiser, the boat is not intended to win harbor races in light air; rather, it excels when the wind rises above 15 knots. Its full keel and encapsulated lead ballast provide exceptional tracking, allowing the vessel to hold its course with minimal helm correction—a vital trait for long-distance passage-making. As noted in editorial evaluations by Yachting Monthly, the boat’s motion is remarkably kind, lacking the violent "snap" of flatter-bottomed designs when encountering head seas.
The cutter rig is the standard configuration for the 35, offering a versatile sail plan that is easily managed by a solo sailor or a couple. This setup allows the crew to drop the large genoa in favor of a staysail as the wind increases, keeping the center of effort low and the boat balanced. While the deep forefoot and long keel make the Tradewind 35 a formidable offshore performer, they do present challenges in tight quarters; like many full-keeled boats, it can be recalcitrant when backing under power. However, once in open water, the boat finds its stride, providing a secure and dry platform even in "Force 8" conditions that would force lighter yachts to seek shelter.
Interior Comfort & Variations
Inside, the Tradewind 35 reflects its Dutch and British heritage through high-quality joinery, typically finished in warm teak or cherry. The layout is a classic offshore arrangement designed for use at sea. Unlike modern wide-beam yachts, the Tradewind 35 is relatively narrow, which ensures that there is always a handhold within reach when the boat is heeled. The standard configuration features a deep V-berth forward, followed by a head and shower compartment that utilizes the full width of the hull.
The main salon typically includes two longitudinal settees that serve as excellent sea berths when fitted with lee cloths. A robust, center-line table provides dining for four to six people. The galley, usually positioned to port, is "U-shaped" to secure the cook in a seaway, while the navigation station to starboard is sized for full-sized Admiralty charts—a nod to its era of design. While most Tradewind 35s follow this standard layout, some semi-custom variations exist, including different locker configurations and variations in the pilot berth or quarter berth arrangements. Its sibling, the Tradewind 33, offers a similar aesthetic but feels noticeably tighter in the salon, whereas the larger Tradewind 39 offers an even more commodious aft-cabin arrangement for those requiring additional privacy.
Popular Mentions & Media
The Tradewind 35 has earned its reputation through decades of quiet service in the world’s most demanding waters. It is frequently cited in bluewater cruising literature as a benchmark for safety. The model is a perennial favorite for participants in long-distance rallies and has been featured in technical reviews focusing on "ideal" offshore designs. Its reliability is further documented by the Tradewind Yachts shipyard, which continues to support the fleet and maintain the lineage of these classic hulls through restoration and bespoke new builds in the Netherlands.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the Tradewind 35 with an eye toward the maintenance requirements of an older, heavily built GRP vessel. While the hulls are exceptionally strong, three decades of service necessitate specific inspections:
- Engine Service Life: Many original Tradewind 35s were equipped with Bukh diesel engines. While these are "lifeboat grade" and famously reliable, parts can be expensive, and older units may be nearing the end of their service life. Check for signs of manifold corrosion or cooling issues.
- Chainplates and Rigging: Given its intended use for offshore work, the chainplates—which are bolted through the hull/deck join—must be inspected for crevice corrosion. Replacing these is a labor-intensive but necessary task for any boat heading offshore.
- Teak Deck Longevity: If the vessel is equipped with a laid teak deck, check for thinning wood and failing caulking. Many owners choose to remove the teak and finish the deck with non-slip paint to eliminate the risk of leaks into the deck core.
- Osmosis: While the thick hull laminates are generally resistant to structural failure, some earlier models may show signs of osmotic blistering if they have spent their entire lives in warm, fresh water. A moisture meter test is recommended during a survey.
Community & Resources
Owners of these vessels are supported by a dedicated community that values the boat's traditional aesthetics and capability. The primary hub for technical knowledge and social gathering is the Tradewind Owners Association, an organization that maintains a repository of technical drawings, historical data, and a network of owners who share maintenance tips and cruising stories.
The Verdict
The Tradewind 35 is a specialized tool designed for a specific purpose: to cross oceans with a high degree of safety and comfort. It is not a boat for those who prioritize interior volume for dockside entertaining or those who demand high speeds in light air. Instead, it is a vessel for the serious voyager.
Pros
- Exceptional Seakeeping: The full keel and heavy displacement provide a stable, comfortable ride in heavy weather.
- Build Quality: Over-engineered hull and high-end interior joinery stand the test of time.
- Safe Rigging: The cutter rig offers excellent sail-handling options for short-handed crews.
Cons
- Maneuverability: Difficult to handle in reverse and has a large turning circle in tight marinas.
- Speed: Relatively slow in light winds compared to modern fin-keel designs.
- Maintenance: Older examples may require significant investment in engine and teak deck restoration.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- 8287 lbs (Varies/Unknown)
- Displacement
- 19442 lbs
- Water Capacity
- 90 gal
- Fuel Capacity
- 48 gal
Dimensions
- Length Overall (LOA)
- 35.01 ft
- Waterline Length (LWL)
- 25.82 ft
- Beam
- 10.5 ft
- Draft
- 5.51 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Cutter
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 725 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 16.04
- Ballast / Displacement Ratio
- 42.62
- Displacement / Length Ratio (D/L) Ratio
- 504.22
- Comfort Ratio
- 45.88
- Capsize Screening Formula
- 1.56
- Hull Speed
- 6.81 kn