Hull Form and Design Philosophy
Robert Perry's design analysis cuts to the heart of the 34.2's geometry: a length-to-beam ratio of 3.05, which places this firmly in wide-body territory for its length overall. Beam has been stretched aft to its practical limit, a deliberate choice that unlocks accommodation space without lengthening the hull. The displacement-to-length ratio of 178 puts it in the moderate-to-light range — not a thoroughbred racer, but a boat that moves without excessive wetted surface dragging it back. Two keel options were offered, a deeper 5-foot, 7-inch draft and a shoaler 4-foot, 3-inch, giving buyers a choice between pointing ability and access to shallow anchorages. Perry notes the two-dimensional drawings suggest a stubby design, but the actual boat photographs as carefully styled and good-looking — a reminder that wide-beam hulls need to be seen in three dimensions to be fairly judged.
Rig and Handling Character
The 34.2 carries what Perry calls a short rig — the sail-area-to-displacement ratio comes in at 16.02, well below the mid-20s figures that chase performance at the expense of docility. Perry's take is worth quoting: most cruisers are happier with SA/Ds around 18, and anything lower still means you cruise easier without bragging rights at the dock. For a family cruiser or a charter boat in a breezy area, this is a feature rather than a fault. The rig uses swept spreaders in addition to forward lowers, a modern arrangement that widens the shroud base and reduces forestay loads. The mast is set forward in the hull — a deliberate offset to the wide stern's tendency to generate weather helm as the boat heels. Genoa track is mounted on the edge of the cabintrunk rather than on the side decks, improving sheeting angles, positioning the primary winches conveniently beside the companionway, and leaving cockpit coamings uncluttered. A split backstay keeps the swim step clear and accessible.
Deck Layout and Cockpit
Jeanneau describes the cockpit as generous, organized around a protected companionway, with sail-handling logic that keeps crew within reach of controls without crowding the helm station. The narrow side decks — an inevitable consequence of the wide beam — are mitigated by mounting hardware where it does least harm. A recessed anchor well in the foredeck keeps ground tackle tidy without eating into deck space or creating a trip hazard. The overall impression is of a deck designed by people who had actually sailed offshore: compromises are made consciously, not carelessly.
Accommodations
This is where the 34.2 makes its clearest argument. Jeanneau claimed it was the first sailboat of its size to offer three genuine cabins along with full distance-cruising amenities — a significant boast for a boat under 34 feet. Two interior layouts were offered. The three-cabin version fits two double quarter berths aft, which Perry describes as more than adequate with plenty of toe space, plus a forward V-berth. The alternate layout sacrifices one aft cabin for a larger head compartment. Both share a main saloon featuring an elliptical dinette to starboard — a curved shape Perry finds sexy, though he observes that square dinettes are less fashionable but more functional for lounging. The galley is to port; counter space is limited, but workable at anchor. Throughout, the joinerwork is executed in teak veneer with solid teak trim finished in satin varnish — a quality of finish that was unusual at this price point. The head includes a separate shower and toilet in the two-cabin version, along with ample storage compartments throughout the boat.
Known Considerations
No specific structural or mechanical issues appear in the authority sources for the 34.2, and Perry raises no red flags in his design review. The honest limitations are inherent to the design choices: the wide stern and moderate rig mean this is not a boat that will excite windward performance enthusiasts. The forward V-berth ends in a point, making it less comfortable as a sleeping cabin for two adults compared to the quarter berths. Counter space in the galley is tight for serious offshore meal preparation underway. And the elliptical dinette, while visually appealing, is a layout that some crew find less restful than a conventional straight settee. These are trade-offs baked into the design brief, not defects.
Refit Priorities
The 34.2's moderate SA/D makes it a natural candidate for a larger headsail or a gennaker to improve light-air performance without upsetting the boat's balanced character. The galley, which Perry notes is nicely laid out for cooking at rest, benefits from additional fiddles and upgraded icebox insulation for extended passages. The Volvo Penta auxiliary is well-supported, and parts availability remains reasonable across the production era. Navigation and safety electronics are the obvious area for modernization on boats of this vintage.
The Verdict
The Sun Odyssey 34.2 is a seriously capable family cruiser wearing an unpretentious suit. It was conceived to maximize liveability — three cabins, beautiful joinery, a protected cockpit, a practical deck — and it delivers on that promise more convincingly than almost anything else at its length. The short rig and moderate form ratios mean it will not win races, but it will complete passages with a composed helm and a well-rested crew. For buyers who measure a boat by how long they can comfortably live aboard it rather than how fast they can sail from one marina to the next, the 34.2 remains a compelling choice.
Pros
- Three genuine double cabins in a 34-foot hull
- Thoughtful deck layout with primary winches at companionway and uncluttered coamings
- Moderate, manageable rig suited to shorthanded or charter use
- High-quality teak joinery throughout the interior
- Two keel options accommodate different cruising grounds
- Split backstay preserves full swim step access
Cons
- SA/D of 16 limits light-air performance noticeably
- Forward V-berth tapers to a point — less practical for two adults
- Narrow side decks require care moving forward in a seaway
- Limited galley counter space for cooking passage meals underway
- Wide beam aft can generate weather helm if sail trim is neglected




