Boat Details

2015 McConaghy MC 31 - 31 ft

Sales Representative

The Chandlery Sales Team
125 Harbor Way No 3
Santa Barbara, CA


MC 31
31 ft


The MC31 Sundowner features an unprecedented performance planing hull with a well thought out deck layout. Sundowner is an absolute weapon in any downwind race. Her inventory consists of a carbon fiber mast, boom, keel fin, tiller & sprit. She has a very extensive up to date North Sails sail inventory as well. All upwind sails are 3Di & 3DL.  Boat also comes with a fiberglass offshore companionway dodger as well as two fiberglass bunks that conform to the bottom of the boat that can be used on either a trailer or a yard cradle.

                                                      Price just reduced June 29 2022

Some of the key features of the MC31 race boat are:

  • No rating rule constraints “rate low go slow”
  • Pure clean hull with exceptional hull form stability
  • Slender high aspect low drag carbon fiber keel fin and rudder blades
  • Light weight hull deck and rig, heavy bulb
  • High stability hull design combined with low centre of gravity allows for powerful yet surprisingly manageable sail plan
  • Light weight stiff and strong structures engineered by world leading composite racing yacht specialists
  • Low windage and ergonomic functional flush deck design with everything where it should be
  • Large cockpit for easy crew movement
  • Simple and minimalist approach to deck hardware and systems
  • Design input in all areas comes from current world leading specialists with decades of experience in America’s Cups, Volvo Ocean Races and other one design classes, brought together by the experienced team at McConaghy Boats

SUNDOWNER has recently dominated her racing fleet in Santa Barbara. 

Sails, Mast, Rigging & Electronic
  • Carbon Southern Spars mast
  • Southern Spars carbon boom
  • Dual Spectra backstays
  • Hydraulic mast jack
  • Dieform ss standing rigging
  • Harken Carbofoil
  • Carbon fiber bow pulpit and foil stanchions
  • SS 1x19 life lines
  • Cascade boom vang
  • Removable carbon bow sprit w/bobstay
  • Carbon fiber tiller
  • (4) Harken winches
  • (2) North Sails main sails (1) 3Di & (1) 3DL
  • North Sails heavy 3dl jib
  • North Sails 3di J1 jib
  • (2) North Sails 3di J1.5 jib
  • North Sails 3di J2 jib
  • North Sails A1 asso spin
  • North Sails A2 asso spin
  • (2) North Sails A2.5 asso spin.
  • North Sails A5 asso spin.
  • (2) Masthead spin halyards
  • Locking fractional spin halyard 
  • Jib Halyard
  • 2:1 Main halyard
  • B&G H5000 (2) mast displays
  • Wireless interface for a laptop
  • Hand held vhf
Hull & Foils
  • Retractable carbon fiber keel fin with lead bulb
  • Hull bunks 
  • Rudder w/carbon fiber post & self-aligning bearings
  • Keel kelp cutter
  • Rudder kelp window
  • Burnished epoxy bottom 
Safety Gear
  • Life jackets
  • Horn
  • Anchor and anchor gear
Misc. Gear
  • Cockpit cover
  • Mainsail  cover
  • Lifeline covers
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.


Propeller Type:
2 Blade, Bronze, Folding


Spinnaker Sprit
Cockpit Looking Forward
Control Clutches
Top Runner Winches
Carbon Fiber Tiller
Carbon Rudder Quadrant
Smooth Forward Hatch Opening For Spinnaker
Mast Base
Hydraulic For Mast/Rig Tension
Centerline Though Hulls
Mast/Below Bow Area
Clean Yanmar Turbo Diesel Engine
Below Deck Engine Panel
Fuel Tank
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