Coronado 28 Information, Review, Specs

Coronado 28 Drawing
Make
Coronado
Model
28
Builder
Coronado Yachts
Designer
William Crealock
Number Built
Production Year(s)
1974 - 1975

The Coronado 28 stands as a definitive example of the "volume-first" design philosophy that characterized the American cruising market during the late 1960s and early 1970s. Built during the era when Coronado Yachts operated under the Whittaker Corporation umbrella alongside Columbia Yachts, the 28 was specifically positioned to offer maximum interior accommodation for the budget-conscious family. While many comparable 28-footers of the time leaned toward IOR (International Offshore Rule) racing aesthetics, the Coronado 28, designed by the legendary William Crealock, prioritized stability and headroom. The model shares significant DNA with its sister ship, the Columbia 28, utilizing an nearly identical hull form but differentiating itself through a unique deck mold that provided a higher coachroof and a more expansive cabin experience.

Sailing Performance & Handling

Under sail, the Coronado 28 is best described as a predictable and forgiving platform, owing much to its moderate-to-heavy displacement of approximately 7,000 pounds and its high ballast-to-displacement ratio. With a fin keel and a spade rudder, it offers more agility than the full-keel cruisers of the previous decade, yet it lacks the "twitchy" nature of lighter modern boats. According to technical documentation found via the Columbia Yacht Owners Association, the hull’s generous 8' 6" beam provides a high degree of initial stability, allowing the boat to stand up well to its canvas in a breeze.

The boat's Displacement/Length (D/L) ratio is relatively high by contemporary standards, which results in a sea-kindly motion that handles coastal chop with more grace than its lighter peers. While it is not a "light-air flyer"—it requires a decent breeze to overcome its wetted surface area—the Coronado 28 tracks well and provides a sense of security for novice sailors. Owner anecdotes from various regional yacht clubs suggest that the boat remains remarkably stiff, rarely requiring a reef until winds exceed 15-18 knots, making it an ideal trainer for those transitioning from dinghies to keelboats.

Interior Comfort & Variations

The interior of the Coronado 28 was the vessel's primary selling point, marketed as having "the room of a 30-footer." By utilizing a high-aspect coachroof, Crealock managed to squeeze nearly six feet of headroom into a 28-foot frame—a rare feat for the early 1970s. The layout typically features a traditional V-berth forward, followed by an enclosed head to port and a hanging locker to starboard.

The main salon is notable for its "dinette" arrangement, where the table converts into a double berth, complemented by a settee on the opposite side. This configuration allowed the boat to technically sleep six adults, though, in a modern cruising context, it is most comfortable for a couple or a small family. The use of faux-wood Formica and thick teak trim was standard for the era, designed for durability and ease of maintenance. While the Columbia 28 sibling often featured a more "racy" and cramped interior to save weight, the Coronado 28 variant maximized every cubic inch of the hull for livability.

Known Issues & Buyer’s Checklist

Prospective buyers should approach a Coronado 28 with a focus on the structural integrity of its aging fiberglass components.

  • Deck Delamination: Like many boats of this vintage, the Coronado 28 uses a plywood or balsa core in the deck. Moisture ingress through poorly bedded deck hardware (cleats, stanchions) frequently leads to "soft spots." A thorough percussion test with a phenolic hammer is essential.
  • The "Coronado Smile": A common issue in older fin-keel boats is the separation or hairline cracking at the leading edge of the keel-to-hull joint. This often indicates that the keel bolts require tightening or that the internal floors (structural ribs) have been stressed by a previous grounding.
  • Original Engine Condition: Many units were originally equipped with the Universal Atomic 4 gasoline engine. While reliable if maintained, these engines are now over 50 years old. Buyers should check for manifold corrosion and ensure the fuel system has been upgraded to modern safety standards.
  • Rudder Play: The spade rudder on the 28 is susceptible to water absorption and internal "delamination" of the rudder blade. Additionally, the bushings in the rudder post can wear over time, leading to significant vibration or "slop" in the helm.

Community & Resources

The Coronado 28 benefits from a robust secondary market and a dedicated following of "plastic classic" enthusiasts. The Columbia Yacht Owners Association serves as the primary repository for technical manuals, original brochures, and hull-specific data, as the two brands shared manufacturing facilities and engineering teams. There are also active regional groups on social platforms where owners share specific modification tips, such as retrofitting diesel engines or upgrading the original wooden spreaders to aluminum.

The Verdict

The Coronado 28 is a "honest" boat that delivers exactly what it promises: a stable, voluminous, and affordable entry point into the world of coastal cruising. While it won't win many silver trophies on the racecourse, its build quality and Crealock-designed hull ensure it remains a viable option for those who value comfort and safety over raw speed.

Pros:

  • Exceptional interior volume and headroom for its length.
  • Heavy, stable hull that provides a secure feeling in heavy weather.
  • Simple systems that are easy for DIY owners to maintain or upgrade.
  • Strong community support and availability of technical data.

Cons:

  • Sluggish performance in light winds (under 8 knots).
  • Potential for significant deck rot if hardware was not re-bedded.
  • Outdated interior aesthetics (heavy use of plastics and dark faux-wood).
  • Spade rudder and fin keel are more vulnerable to damage in thin water than full-keel designs.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
2800 lbs (Lead)
Displacement
6800 lbs
Water Capacity
18 gal
Fuel Capacity
10 gal

Dimensions

Length Overall (LOA)
28 ft
Waterline Length (LWL)
22.16 ft
Beam
8.5 ft
Draft
4.83 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
27.33 ft
E (Main Foot)
11.33 ft
I (Foretriangle Height)
34 ft
J (Foretriangle Base)
12.42 ft
Forestay Length (est)
36.2 ft
Sail Area
366 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
16.31
Ballast / Displacement Ratio
41.18
Displacement / Length Ratio (D/L) Ratio
278.97
Comfort Ratio
25.4
Capsize Screening Formula
1.79
Hull Speed
6.31 kn