Jeanneau Sun Odyssey 389 — Information, Review, Specs

Marc Lombard·2015·Jeanneau
Approximate drawing

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Hull type
Monohull · bulb
Rig
Fractional Sloop
LOA
38.5' · 11.73 m
Displ.
15,256 lbs · 6,920 kg
First year
2015

The Jeanneau Sun Odyssey 389 represents a refined evolution of the Marc Lombarddesigned hull that originally debuted as the Sun Odyssey 379. Launched as part of the French builder’s "9" series update, the 389 retained the highperformance hull form of its predecessor while introducing critical ergonomic upgrades and aesthetic modernizations. Characterized by its distinct hard chines that run from midships to the stern, the yacht balances the volume required for a comfortable family cruiser with the tracking stability usually reserved for more performanceoriented vessels. By integrating a fixed bowsprit and an enlarged, folddown swim platform as standard features, Jeanneau positioned the 389 as a versatile midsized cruiser capable of coastal hopping or light offshore passages. The model serves as the mechanical sibling to the Sun Odyssey 379, effectively replacing it in the lineup to offer better integration with modern sailhandling hardware.

Measurements

Dimensions 01

LOA
38.5 ft
LOD
36 ft
LWL
34.08 ft
Beam
12.33 ft
Draft
6.5 ft
Max headroom
6.33 ft
Air draft
55.75 ft

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Bulb
Rudder
2× —
Ballast
3900 lbs
Displacement
15256 lbs
Water
53 gal
Fuel
34 gal

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
44.58 ft
E · main foot
13.92 ft
I · fore ht.
46.58 ft
J · fore base
13.58 ft
Forestay (est)
48.52 ft
Sail area
754 sqft

Calculations 04

SA/D ratio
19.61
Ballast/Disp.
25.56
D/L ratio
172.07
Comfort ratio
23.47
Capsize screening
1.99
Hull speed
7.82 kn

Sailing Performance & Handling

The Sun Odyssey 389 is defined by its Marc Lombard hull, which utilizes a sharp entry and a wide, chined aft section to maximize stability at higher heel angles. The dual-rudder configuration is a hallmark of this design, ensuring that the helmsman maintains precise control even when the boat is powered up in a breeze; as the boat heels, the leeward rudder digs in vertically, significantly reducing the risk of rounding up. According to technical assessments by Sail Magazine, which evaluated the foundational 379 platform, the hull is notably stiff and responsive for a production cruiser.

With a displacement-to-length ratio that sits in the moderate cruising range, the 389 is not a lightweight racer, yet its Sail Area/Displacement ratio of approximately 18.5 provides enough power to keep the boat moving in light air. The addition of the integrated bowsprit on the 389—a feature often absent on the earlier 379—allows for easier deployment of Code 0 or asymmetric spinnakers, enhancing its downwind performance. Handling is further simplified by the "German" mainsheet system, which leads control lines back to the twin helm stations, allowing the skipper to trim without leaving the wheel.

Interior Comfort & Variations

The interior of the Sun Odyssey 389, styled by Jean-Marc Piaton, emphasizes light and modularity. It was typically offered in two primary configurations: a two-cabin version featuring a massive storage "garage" accessible through the head or a cockpit locker, and a three-cabin version intended for larger families or the charter market. In the two-cabin layout, the owner benefits from a larger head and a separate shower stall, a luxury rarely found in sub-40-foot yachts.

Material choices typically included Alpi Teak or a lighter Oak finish, paired with large hull ports that provide a direct view of the waterline from the salon seating. The L-shaped galley is positioned to starboard, offering deep sinks and a standard two-burner stove. A significant design triumph of this model is the folding navigation table; it can be slid aft to extend the port-side settee into a full-length lounging berth. Headroom is generous, exceeding 6'3" in the main salon, which contributes to the "big boat" feel of the interior.

Known Issues & Buyer’s Checklist

Prospective buyers of a used Sun Odyssey 389 should focus on several specific technical areas common to the Marc Lombard "9" series designs.

  • Rudder Bearing Wear: Due to the twin rudder setup, any slight misalignment can lead to premature wear of the upper and lower bearings. Buyers should check for excessive "play" or vibration in the steering wheels while under power.
  • Sail-drive Diaphragm: Most 389s are equipped with Yanmar engines and sail-drives. Manufacturers recommend replacing the rubber hull seal every seven years; since many 389s are now approaching or past this window, verifying this service is critical.
  • Grid/Liner Bonding: Like many mass-produced French yachts of this era, the internal structural grid is bonded to the hull. A thorough survey should include "percussion testing" (tapping) the grid in the bilge area to ensure there is no delamination, particularly if the boat has a history of hard groundings.
  • Deck Hardware Bedding: The 389 utilizes a balsa-cored deck. Owners in forums often note that high-load areas, such as the jib tracks and clutches, should be checked for moisture ingress if the sealant has begun to fail.

Community & Resources

The 389 benefits from one of the most robust owner networks in the maritime world. The Jeanneau Owners Network serves as a primary technical repository, offering a wealth of user-generated manuals, equipment upgrades, and performance tweaks specifically for the 379/389 hull. Because of the model's popularity in global charter fleets through companies like Sunsail, spare parts and "hacks" for common repairs are widely documented and easily accessible.

The Verdict

The Jeanneau Sun Odyssey 389 is a quintessential modern cruiser that manages to be "everything to everyone" without sacrificing too much performance. It is a stable, predictable platform for new sailors while offering enough technical refinement to satisfy experienced cruisers.

Pros:

  • Exceptional stability and control in high winds due to the twin rudder system.
  • Highly versatile interior with clever modular furniture (sliding nav station).
  • Large, functional cockpit with an integrated bowsprit for modern sail plans.
  • Strong resale value supported by a global brand and active owner community.

Cons:

  • Twin rudders can make "prop wash" maneuvering in tight marinas more difficult.
  • Balsa-cored decks require vigilant maintenance of hardware bedding.
  • The three-cabin version can feel cramped in the aft sections compared to the two-cabin layout.

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