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Sailboat Specifications

Grampian 28

Masthead Sloop · Fin With Rudder On Skeg

Designed by Rolf Van Der Sleen · Built by Grampian Marine Ltd. (Can) · First built 1975

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LOA 28.00 ft  ·  Beam 9.50 ft  ·  Displacement 6,900.00 lb  ·  Sail Area 384  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Grampian 28 Sailboat

Built during the 1970s by Grampian Marine in Canada, this 28-footer emerged during an era when practical family cruising sailboats were gaining popularity among recreational sailors. The Grampian 28 represents the builder's commitment to creating affordable, seaworthy vessels designed primarily for coastal cruising and weekend adventures. While detailed specifications remain limited, the boat follows Grampian Marine's established design philosophy of prioritizing stability, comfort, and ease of handling over pure performance. The hull design emphasizes seaworthiness rather than speed, making it well-suited for new sailors or families seeking a reliable platform for exploring protected waters and near-coastal regions. Grampian Marine built a reputation for constructing solid fiberglass boats that could withstand the rigors of sailing in Canadian waters, and the 28-footer carries forward this tradition of robust construction. The cockpit and cabin layout were designed with practicality in mind, offering reasonable accommodations for short-term cruising while maintaining manageable proportions for a small crew. For sailors seeking an unpretentious cruising boat with proven seaworthiness, the Grampian 28 offers the kind of straightforward sailing experience that builds confidence on the water.

Dimensions & Specifications
LOA (Length Overall) 28.00 ft / 8.53 m
LWL (Waterline Length) 24.50 ft / 7.47 m
Beam 9.50 ft / 2.90 m
Max Draft 4.83 ft / 1.47 m
Displacement 6,900.00 lb / 3,130 kg
Ballast 3,060.00 lb / 1,388 kg
Sail Area (Reported) 384
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Rolf van der Sleen
Builder Grampian Marine Ltd. (CAN)
First Built 1975
Number Built 107
Related Sailboats Aloha 28 · S2 85 · Pearson 28 1975 80 · Coronado 28 · Ranger 28
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Engine & Accommodations
Fuel Capacity 20 gals / 76 L
Water Capacity 20 gals / 76 L
Frequently Asked Questions

What is the Grampian 28's sail area to displacement ratio?

The Grampian 28 has a Sail Area to Displacement ratio (SA/D) of 17. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Grampian 28's comfort ratio?

The Grampian 28 has a Ted Brewer Comfort Ratio of 20.81. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Grampian 28 safe for offshore sailing?

The Grampian 28 has a Capsize Screening Formula value of 2. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Grampian 28?

The theoretical hull speed of the Grampian 28 is 6.63 knots, calculated from its waterline length.

How much does a Grampian 28 weigh?

The Grampian 28 has a displacement of 6,900.00 lb and a length overall (LOA) of 28.00 ft.

Who designed the Grampian 28?

The Grampian 28 was designed by Rolf Van Der Sleen, first built in 1975.