Jeanneau Sun Odyssey 31

Details

• Make: Jeanneau
• Model: Sun Odyssey 31
• Engine Make & Model: Yanmar 2GM20
• Horsepower: 20
• Fuel Type: Diesel
• Price: £14,500
• Location: In Conwy Marina
• Keel: Fin
• Hull Construction: Fibreglass (GRP)

Dimensions

• Beam: 3.23m
• Draft: 1.45m
• LOA: 9.3m
• Displacement: 3100kg
• Fuel Tank Capacity: 50l
• Water Tank Capacity: 180l
• Builder: Jeanneau
• Designer: Daniel Andrieu
• Hull Type: Monohull

Summary

We are pleased to present 'Gwennol,' a Jeanneau Sun Odyssey 31 1991 build. The Sun Odyssey 31 is a well-regarded cruising yacht that combines comfortable accommodation, dependable sailing performance, and an attractive teak-finished interior. Designed for enjoyable coastal cruising and extended weekends afloat, she offers a practical yet inviting layout, making her an excellent choice for couples and families alike.

This particular example has been well cared for and is set up for straightforward short-handed sailing, with all essential control lines led aft to the cockpit, allowing for easy and confident handling. Antifouled March 2026 Gwennol is afloat on her berth here at Conwy Marina. Don't miss out book a viewing with our Conwy Office. 

Mechanical

Yanmar 2GM20
20HP Diesel engine
Single lever controls with electric start
Tiller steering
Conventional shaft drive
2 bladed propeller
Last serviced???
Hours??

Recent Maintenance:
Engine self serviced March 2026 by Owner to incl oil change, impellor, fuel and oil filters plus new belts.
Last ashore March 2026 for antifoul and anode replacement

Electrical

2X 12V batteries (Starter (2026) and domestic (2025)
240V Shore power with cable
Batteries charged via shore power and engine alternator
Victron Smart charger system
Cabin lighting 
Quick Italy electric anchor windlass (currently removed from boat for clean and service)

Rigging

Masthead Bermudan rigged sloop
Z Spars
Silver anodised aluminium mast and boom
Stainless steel standard rigging 
Terylene running rigging
Facnor system furling head sail
Sail bag with lazy jacks

Sail Wardrobe:
Slab reefing mainsail - Kemp 
Furling genoa Kemp
Spinnaker gear and pole

Navigation

Contest Compass
Raymarine Speed
Raymarine Wind
Raymarine Depth & Log
Clipper GPS
Standard Horizon Matrix AIS/GPS VHF radio
Autopilot??

Deck

Assorted fenders and warps
Anchor with chain
Boarding ladder
Boat hook
Auxiliary outboard bracket

Winches:
2X 32 Genoa winches
2X 16 Halyard winches

Safety

2X Manual bilge pumps
1X Auto/ electric bilge pumps
Horseshoe buoy
Seago Rescue System
2X Jackstays

Canvas

Sprayhood (Navy)

Miscellaneous

Dinghy

Accommodation

The Jeanneau Sun Odyssey 31 offers comfortable accommodation for up to six in a practical and well-designed interior, with approximately 6ft of standing headroom in the saloon. Finished in warm teak joinery, the light and inviting layout is ideally suited to family cruising or extended weekends aboard. The Sun Odyssey 31 was offered with both two and three-cabin layouts, with this example featuring the sought-after six-berth arrangement.

Forward is a spacious owner's cabin with a double V-berth and infill cushion, generous under-berth stowage, shelving and a hanging locker to starboard. The saloon provides comfortable seating with settee berths to port and starboard surrounding a central dining table with folding leaves, creating an inviting space for relaxing or entertaining.

The L-shaped galley, located aft to port, is well equipped for cruising and features a two-burner gas cooker with oven, stainless steel sink, refrigerator and ample storage for provisions and cookware. Opposite, a dedicated forward-facing chart table offers a practical navigation station with space for charts and instruments.

A generous aft double cabin provides comfortable accommodation for guests, complete with shelving, hanging locker and useful storage. 

The separate heads compartment, situated aft to starboard, is fitted with a marine toilet, wash basin, shower and wet locker. 

Pressurised fresh water supplies the galley sink, wash basin and shower, making life aboard both comfortable and convenient.

Construction

Built by Jeanneau in 1991 to a Daniel Andrieu design.
White GRP hull, superstructure and decks with moulded non-slip surfaces.
Teak cockpit seats.
Cast iron fin keel.
Tiller steering to spade hung rudder.
Self draining cockpit with bathing platform & boarding ladder.
Stainless steel stancions with guard wire
Teak grab rails to coach roof

Disclaimer

For a full, detailed specification with additional photographs and direct contact details for the listing office visit our website

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Unless otherwise stated on the specification sheet the following presumptions are made
- Sail drive and shaft seals are more than 5 years of age
- Fuel and gas hoses and regulators are over 5 years old
- Standing rigging and sails are more than 10 years old

Please note that as the broker/agent, we cannot guarantee or warrant the serviceability of any safety equipment included within the inventory, including but not limited to the condition, operation, or service dates of such equipment. It is the responsibility of the buyer to thoroughly inspect and assess the condition of all safety equipment prior to purchase.

NOTE - Please ring our offices prior to visiting, as the boat may be unavailable for viewing or located at a different marina.

Contact

boatpoint at Conwy Marina

conwy@boatpoint.co.uk

01492 580 001