Amazon 37 Information, Review, Specs

Amazon 37 Drawing
Make
Amazon
Model
37
Builder
Amazon Yachts
Designer
Grahame Shannon
Number Built
17
Production Year(s)
1984 - ??

The Amazon 37, produced by Amazon Steel Yachts in Richmond, British Columbia, represents a distinct era of Canadian maritime engineering focused on rugged, long-distance voyaging. Designed primarily by George N. Rayner, the vessel was conceived for the demanding, debris-strewn waters of the Pacific Northwest and the high latitudes beyond. Unlike the lighter, mass-produced fiberglass hulls of its era, the Amazon 37 is a heavy-displacement steel cruiser, typically rigged as a cutter. Its construction philosophy emphasized structural redundancy, with many hulls featuring integral tanks that added a secondary layer of "double-bottom" security. While the builder is no longer in active production, the Amazon 37 remains a coveted find for sailors prioritizing hull integrity and "bulletproof" sea-keeping over light-air sprinting.

Sailing Performance & Handling

The sailing characteristics of the Amazon 37 are defined by its significant displacement and steel mass. With a design that favors stability and momentum, the boat is not a light-air performer; it requires a stiff breeze to overcome its initial inertia. However, once moving, the hull displays remarkable tracking ability, thanks to a modified fin keel and a substantial skeg-protected rudder. This configuration allows the boat to hold its course with minimal helm correction, a trait highly valued by solo or short-handed offshore sailors.

The cutter rig is the most common configuration, providing a versatile sail plan that allows for easy reefing and balanced handling in heavy weather. While specific technical ratios like Sail Area to Displacement (SA/Disp) lean toward the lower "heavy cruiser" end of the spectrum, the boat's motion in a seaway is exceptionally "kind." It avoids the jerky, high-frequency motion of lighter boats, instead offering a slow, predictable roll period. According to archived commentary from Pacific Yachting magazine, the Amazon series was noted for its ability to punch through heavy head-seas where lighter yachts would be tossed, making it a "navigator's boat" designed for endurance rather than racing.

Interior Comfort & Variations

The interior of the Amazon 37 is often characterized by the high-quality joinery typical of British Columbian custom yards. Most models feature extensive use of solid hardwoods, such as teak or mahogany, which provides a warm, traditional aesthetic. Because these boats were often semi-custom or sold as completed "sail-away" hulls, interior layouts can vary. The standard configuration typically includes a V-berth forward, a large U-shaped galley designed for use at sea, and a comfortable saloon with a folding table.

One of the most critical aspects of the Amazon 37’s interior comfort is its insulation. Professional builders at Amazon Steel Yachts typically applied closed-cell spray foam insulation from the waterline up to the deckhead to prevent the "sweating" and thermal bridging common in metal boats. This makes the vessel exceptionally quiet and easy to heat in cold climates. The Amazon 37 was part of a lineage of steel vessels that included its larger sibling, the Amazon 44, which shared the same design language but offered an expanded aft-cabin layout. On the 37-foot hull, the space is optimized for a couple, though the deep cockpit and wide side decks provide a sense of security and space usually found on larger yachts.

Known Issues & Buyer’s Checklist

When inspecting a steel vessel of this age, the primary concern is always corrosion, specifically from the "inside out." Prospective buyers should focus on areas where water might collect, such as the bilges, the chain locker, and under the engine beds.

  • Galvanic Isolation: Ensure the vessel is equipped with a functioning galvanic isolator or an isolation transformer. Inadequate electrical bonding on a steel hull can lead to rapid sacrificial anode depletion and hull pitting.
  • Deck-to-Hull Joint: While the Amazon 37 features a welded joint—inherently stronger than a bolted fiberglass joint—inspect the areas where stainless steel deck hardware (like stanchion bases) meets the carbon steel deck. Improper bedding can cause "crevice corrosion."
  • Tank Integrity: The Amazon 37 often utilizes integral steel tanks for fuel and water. While these add strength, they are difficult to repair if they leak. A pressure test or a thorough inspection of the tank lids and baffles is recommended.
  • Insulation Gaps: Check for areas where the insulation might have been pulled away for wiring or plumbing repairs. Any exposed steel "cold spots" will become magnets for condensation, leading to hidden rust behind cabinetry.

Community & Resources

While there is no formal "Amazon Yachts" factory presence today, owners of these vessels often congregate within broader steel boat communities. Technical support and historical construction data are frequently discussed within the Metal Boat Society, an organization dedicated to the design, construction, and maintenance of metal-hulled craft. The society provides technical papers and archives that are invaluable for understanding the specific maintenance needs of a Rayner-designed steel hull.

The Verdict

The Amazon 37 is a specialized tool built for the "blue water" sailor who values safety and durability above all else. It is a vessel designed to survive a grounding or a collision with floating debris that would potentially end the voyage of a GRP boat.

Pros:

  • Structural Integrity: The welded steel hull offers immense strength and peace of mind for offshore voyaging.
  • Sea-Kindliness: Predictable, heavy-displacement motion that reduces crew fatigue in rough conditions.
  • Cold-Climate Ready: High-quality insulation and solid construction make it an ideal platform for high-latitude exploration.

Cons:

  • Maintenance Intensity: Steel requires constant vigilance regarding paint systems and corrosion protection.
  • Light-Air Performance: The heavy hull struggles in winds under 10 knots without the use of an engine or large reaching sails.
  • Niche Market: As a semi-custom steel boat, resale may take longer than mass-market fiberglass models.

Measurements

Construction & Hull

Construction Material
Steel
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
7000 lbs
Displacement
20350 lbs
Water Capacity
120 gal
Fuel Capacity
80 gal

Dimensions

Length Overall (LOA)
37 ft
Waterline Length (LWL)
33.5 ft
Beam
12 ft
Draft
5.5 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cutter
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
-

Calculations

Sail Area / Displacement (SA/D) Ratio
Ballast / Displacement Ratio
34.4
Displacement / Length Ratio (D/L) Ratio
241.65
Comfort Ratio
33.26
Capsize Screening Formula
1.76
Hull Speed
7.76 kn