Hull Form and Design Ratios
The Contessa 28's underwater form is straightforward and purposeful: a fin keel paired with a spade rudder, drawn from IOR convention but executed with care. At 27 feet 8 inches on deck and 22 feet on the waterline, she carries a moderate beam of 9 feet 5 inches that keeps her form stable without bloating the hull. The displacement-to-length ratio of 292 places her firmly in heavy-displacement territory. She can be loaded with cruising gear and it will barely register on the waterline — a genuine strength on passages but a trait that costs her in light-air sprinting.
The ballast-to-displacement ratio of just over 40 percent reflects a boat built to stand up to her canvas rather than knock down. That iron fin keel carries significant weight low, and she has good righting capability if capsized, a comfort in serious offshore conditions. Her capsize screening figure of 1.9 keeps her below the 2.0 threshold that marks safer ocean-passage candidates — a meaningful distinction for bluewater aspirants.
Rig and Sailing Character
The single-spreader masthead sloop rig is uncomplicated by design. The mast is deck-stepped on a stainless steel tabernacle that permits lowering for canal transits, a practical concession to the European waterway network her UK origins anticipated. Slab reefing on the boom with two reef points keeps the reefing system simple and reliable, and the loose-footed mainsail improves trim flexibility in varied conditions.
With a sail area-to-displacement ratio of 14.9, the Contessa 28 is modestly powered for her weight. In light conditions she can feel pedestrian, and motor-sailing may be the prudent choice when the breeze drops. In a stiff breeze, however, she transforms: the stiff hull with its generous ballast fraction holds her on her feet, drives through chop, and rewards a skilled helm. Yachting Monthly noted she was a reasonably sharp performer on the club circuit, which confirms that her IOR roots gave her genuine pace when conditions suit.
Tiller steering connects directly to the spade rudder. Feedback is immediate and the balance generally good, though slightly heavy steering was noted as a characteristic, particularly when pressed hard. The tiller folds up when not needed, freeing cockpit space for a crew of up to six.
Accommodation
Below decks, the Contessa 28 manages an honest five or six berths across a forward V-berth cabin, a saloon with two settees, a quarter berth at the chart table, and a dedicated head compartment. The interior is finished in teak veneer with white bulkheads and headlinings, a combination that gave late-1970s production yachts their characteristic warmth.
The galley sits to starboard aft of the saloon settee with a two-burner stove, oven, sink, and icebox. Storage is generous by the standards of the class. The navigation station occupies the port side aft with a chart table and instrument panel — practical if not expansive. The head is a dedicated compartment between the saloon and forward cabin, a layout that avoids the compromises of convertible-space designs.
Yachting Monthly's assessment was candid: an awkward interior prevented her becoming as successful as some of her sisters. The fold-down chart table arrangement drew particular criticism as clumsy, and the interior proportions reward compact crews more than tall ones. Within those constraints, however, the space is genuinely usable, and original boats came well-equipped with self-tailing winches and even lee cloths as standard kit.
Seakeeping and Offshore Credentials
The Contessa 28 was never marketed exclusively as a racer or exclusively as a cruiser — she was intended to do both, and her seakeeping numbers support serious offshore use. The capsize screening figure below 2.0, the high ballast fraction, and the solid hand-laid GRP construction with woven rovings and bonded bulkheads give her a structural integrity that later production boats sometimes lack. Some owners have sailed her across oceans and even around the world, which speaks to what a well-prepared Contessa 28 can absorb.
The comfort ratio of 22.9 tempers expectations: crew motion in a seaway is comparable to a moderate coastal cruiser rather than a heavy offshore vessel. Those prone to seasickness will notice it on a rolling passage. But for able-bodied sailors comfortable with lively motion, the 28 is a willing offshore companion.
Known Weaknesses and Refit Considerations
Prospective buyers should approach the cast-iron fin keel with particular attention. Iron keels are prone to oxidation over decades of immersion, and staining or swelling around the keel bolts warrants careful inspection before purchase. The stainless steel keel bolts themselves should be examined for crevice corrosion, which can be insidious on older boats.
The balsa-cored deck is a potential trouble spot common to this era of construction. Water ingress through deck fittings, stanchion bases, or hairline crazing can saturate the core and lead to softness or delamination. A firm walk of the entire deck, combined with moisture readings, is essential on any example.
The steering system — tiller to spade rudder — is mechanically simple and robust, but the rudder stock bearings and gudgeon/pintle fastenings should be checked for play. Rigging is straightforward to survey given the single-spreader configuration, and the deck-stepped mast tabernacle should be examined for corrosion and base plate integrity.
Original Lister Petter auxiliary engines, where still fitted, are durable but elderly. Parts availability is manageable but not guaranteed, and many owners have updated to modern diesel auxiliaries. Any refit targeting offshore use should prioritise adding proper storm sails — a storm jib set on the forestay suits the masthead rig — and upgrading navigation electronics, which on older boats are typically absent or obsolete.
The Verdict
The Contessa 28 is a boat of genuine character shaped by serious offshore intent. Doug Peterson's IOR pedigree shows in the hull's stiffness, its commitment to form stability, and its ability to drive through conditions that rattle lighter designs. She is not the easiest boat to sail in light airs, and her interior asks sailors to accept 1970s ergonomics without apology. But for those who prioritise seakeeping, build quality, and a proven offshore record in a compact hull, she remains a compelling choice — one of the more honest small cruiser-racers of her generation.
Pros
- Ballast fraction over 40% keeps her stiff and resistant to knockdown
- Capsize screening figure below 2.0 makes her appropriate for offshore passages
- Solid hand-laid GRP construction with bonded bulkheads
- Straightforward, serviceable tiller-and-spade-rudder steering
- Genuine racing pedigree translates to pace in a breeze
- Five to six berths with a dedicated head and real galley
Cons
- Sail area-to-displacement ratio of 14.9 makes her slow in light conditions
- Steering can feel heavy when pressed hard
- Interior layout described as awkward with a clumsy chart table arrangement
- Comfort ratio of 22.9 means lively motion in a seaway
- Cast-iron keel prone to long-term corrosion requiring careful inspection
- Balsa-cored deck vulnerable to water ingress on older examples







