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Walton 37 Grampian
Designer: Sparkman & Stephens  ·  Builder: Grampian Marine Ltd. (Can)  ·  First built: 1964
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About the Walton 37 Grampian

Bearing the name of a rugged Scottish mountain range, the Walton 37 Grampian is a sailboat that carries a sense of purposeful character in both its identity and design. Built for sailors with an eye toward serious cruising, this vessel sits in a category that appeals to those seeking a capable offshore companion rather than a casual daysailer. Its proportions suggest a boat intended to handle a range of conditions with composure, making it a candidate worth considering for bluewater passages or extended coastal voyages. While detailed specifications for the Grampian remain limited in the historical record, boats of this era and size typically reflect a design philosophy centered on sea-kindliness, interior liveability, and dependable performance under sail. Prospective buyers researching this model would be well served by connecting with owners or class communities who can offer firsthand accounts of her handling characteristics and long-term maintenance realities. As with many lesser-documented production cruisers, the Walton 37 Grampian may represent a genuine hidden gem for the patient buyer willing to investigate beyond the spec sheet.

Core Dimensions
LOA (Length Overall) 37.33 ft / 11.38 m
LWL (Waterline Length) 26.27 ft / 8.01 m
Beam 10.16 ft / 3.10 m
Max Draft 5.83 ft / 1.78 m
Displacement 16,400.00 lb / 7,439 kg
Ballast 7,400.00 lb / 3,357 kg
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction FG
Designer Sparkman & Stephens
Builder Grampian Marine Ltd. (CAN)
First Built 1964
Number Built 30
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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
45.12
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
403.85
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 5.72 pounds/inch
Rig Dimensions
I (Foretriangle Height) 15.90
P (Mainsail Luff) 639.00 ft² / 59.37 m²
E (Mainsail Foot) 403.85
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