• Slide: The Image of 1963 Sumnercraft 31 Motor Sailer anchored near a scenic coastline with palm trees. - 1The Image of 1963 Sumnercraft 31 Motor Sailer anchored near a scenic coastline with palm trees. - 1
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina with other boats. - 2The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina with other boats. - 2
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina, surrounded by other boats. - 3The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina, surrounded by other boats. - 3
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina, featuring blue accents and white hull. - 4The Image of 1963 Sumnercraft 31 Motor Sailer docked in a marina, featuring blue accents and white hull. - 4
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked in marina. - 5The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked in marina. - 5
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer docked, showcasing anchor and deck equipment. - 6The Image of 1963 Sumnercraft 31 Motor Sailer docked, showcasing anchor and deck equipment. - 6
  • Slide: The Image of Bow view of 1963 Sumnercraft 31 Motor Sailer docked at marina. - 7The Image of Bow view of 1963 Sumnercraft 31 Motor Sailer docked at marina. - 7
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer with blue canopy docked at marina. - 8The Image of 1963 Sumnercraft 31 Motor Sailer with blue canopy docked at marina. - 8
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer with blue covers docked at a marina. - 9The Image of 1963 Sumnercraft 31 Motor Sailer with blue covers docked at a marina. - 9
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer named Corsair docked with blue cover. - 10The Image of 1963 Sumnercraft 31 Motor Sailer named Corsair docked with blue cover. - 10
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked at marina. - 11The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked at marina. - 11
  • Slide: The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked at marina. - 12The Image of 1963 Sumnercraft 31 Motor Sailer with blue cover docked at marina. - 12
  • Slide: The Image of Masts of a 1963 Sumnercraft 31 Motor Sailer against a cloudy sky. - 13The Image of Masts of a 1963 Sumnercraft 31 Motor Sailer against a cloudy sky. - 13
  • Slide: The Image of Mast of 1963 Sumnercraft 31 Motor Sailer against cloudy sky in marina. - 14The Image of Mast of 1963 Sumnercraft 31 Motor Sailer against cloudy sky in marina. - 14
  • Slide: The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wood finish and cozy seating area. - 15The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wood finish and cozy seating area. - 15
  • Slide: The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wooden table and seating. - 16The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wooden table and seating. - 16
  • Slide: The Image of Compact kitchen area in a 1963 Sumnercraft 31 Motor Sailer with stove, sink, and colorful containers. - 17The Image of Compact kitchen area in a 1963 Sumnercraft 31 Motor Sailer with stove, sink, and colorful containers. - 17
  • Slide: The Image of Wooden cabinet door on a 1963 Sumnercraft 31 Motor Sailer interior. - 18The Image of Wooden cabinet door on a 1963 Sumnercraft 31 Motor Sailer interior. - 18
  • Slide: The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden furnishings and nautical decor. - 19The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden furnishings and nautical decor. - 19
  • Slide: The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden paneling and nautical instruments. - 20The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden paneling and nautical instruments. - 20
  • Slide: The Image of Interior cabin of 1963 Sumnercraft 31 Motor Sailer with cushioned sleeping area. - 21The Image of Interior cabin of 1963 Sumnercraft 31 Motor Sailer with cushioned sleeping area. - 21
  • Slide: The Image of Interior cabin of 1963 Sumnercraft 31 Motor Sailer with cushioned seating and wooden accents. - 22The Image of Interior cabin of 1963 Sumnercraft 31 Motor Sailer with cushioned seating and wooden accents. - 22
  • Slide: The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry and sink. - 23The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry and sink. - 23
  • Slide: The Image of Toilet area in 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry. - 24The Image of Toilet area in 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry. - 24
  • Slide: The Image of Close-up of rigging on a 1963 Sumnercraft 31 Motor Sailer, featuring blue canvas and ropes. - 25The Image of Close-up of rigging on a 1963 Sumnercraft 31 Motor Sailer, featuring blue canvas and ropes. - 25
  • Slide: The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with cushioned seating and wooden accents. - 26The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with cushioned seating and wooden accents. - 26
  • Slide: The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with blue and white cushioned seating. - 27The Image of Interior of 1963 Sumnercraft 31 Motor Sailer with blue and white cushioned seating. - 27
  • Slide: The Image of Cockpit of 1963 Sumnercraft 31 Motor Sailer with wooden helm and navigation equipment. - 28The Image of Cockpit of 1963 Sumnercraft 31 Motor Sailer with wooden helm and navigation equipment. - 28
  • Slide: The Image of Helm of 1963 Sumnercraft 31 Motor Sailer with wooden wheel and navigation instruments. - 29The Image of Helm of 1963 Sumnercraft 31 Motor Sailer with wooden wheel and navigation instruments. - 29
  • Slide: The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry and blue canopy. - 30The Image of Interior of a 1963 Sumnercraft 31 Motor Sailer with wooden cabinetry and blue canopy. - 30
  • Slide: The Image of Engine compartment of a 1963 Sumnercraft 31 Motor Sailer, featuring a vibrant red engine. - 31The Image of Engine compartment of a 1963 Sumnercraft 31 Motor Sailer, featuring a vibrant red engine. - 31
  • Slide: The Image of Engine compartment of a 1963 Sumnercraft 31 Motor Sailer, featuring a red-painted engine. - 32The Image of Engine compartment of a 1963 Sumnercraft 31 Motor Sailer, featuring a red-painted engine. - 32
  • Slide: The Image of Young person in a small inflatable boat on water, near a 1963 Sumnercraft 31 Motor Sailer. - 33The Image of Young person in a small inflatable boat on water, near a 1963 Sumnercraft 31 Motor Sailer. - 33
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1963 Sumnercraft 31 Motor Sailer

$14,000

Used

Boat in Redondo Beach, CA 90277 US

builtBuilt in 1963
Year the boat was built
model

31 Motor Sailer

Boat model
engine

1 Engine (Ford Lehman)

Engine type and count
length

31 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material

1963 31' Sumnercraft Motor Sailer with Center Cockpit

A Rare Beauty in Impeccable Condition

Only 3 Owners - Purchased in 1971 by Current Owner

Owned and Meticulously Maintained by an Engineer

Recently Updated Full Raymarine Electronics Package

Includes 8' 8" Achilles Inflatable Dingy with Evinrude 4 hp Outboard Engine

Redondo Beach Slip Available with Marina's Approval



Nominal Length
31ft
Length Overall
31ft
Beam
10.17ft
Drive Up Draft
3.83ft
Cabins
2
Heads
1
Windlass
electric-windlass
Hull Material
fiberglass
Engine 1
Engine Make
Ford Lehman
Engine Model
6 cyl, 380 cu, 6.2L
Total Power
135hp
Engine Hours
50
Engine Type
inboard
Fuel Type
diesel
Engine Year
1987
Drive Type
direct
Propeller Type
3-blade
Propeller Material
bronze
Electric Bilge Pump
✓
Oven
✓
Manual Bilge Pump
✓
Marine Head
✓
Refrigerator
✓
Battery Charger
✓
Radar
✓
Log Speedometer
✓
Wind Speed And Direction
✓
Autopilot
✓
Compass
✓
Gps
✓
Vhf
✓
Ais
✓
Mainsail Cover
✓
Cockpit Cover
✓
Steering Wheel
✓
Accommodations

Forward V Double Berth

Aft Cabin Double Berth

Head with Sink, Toilet, Shower

Hot Water

Lots of Storage

Galley

Norcold 12/110V Refrigerator/Freezer

Force 10 CNG Stove

Large, Comfortable Dining Settee

Electronics & Navigation

Standard Horizon GX 2400 VHF

AIS

Updated Raymarine GPS/Sonar/Radar 

Raymarine Axiom 9RV with Navionics Charts

Raymarine ST60+ Wind/Speed/Log/Temp

Linked STng Network

Raymarine i70s Display

Raymarine EV 100 Autopilot

9D Sensor/Compass

3 1/2" Compass

Manual Handheld Compass


Engine/Transmission/Propeller

Ford Lehman Diesel SP 135 hp

6 Cylinder, 380 cu, 6.2L

Only 50 Hours Since Rebuild

Engine is Main Ballast 1,140 lbs.

Warner 71-1C Transmission with 2.57 Reduction

Transmission Adds 170 lbs to Engine Ballast

Propeller is Luke 3-Blade Bronze, Geared Feathering, Left Turn 23D x 23P

Shaft is 1 1/2" Aquamet 22

Conventional Teflon Shaft Seal 

Rudder is Fiberglass over Bronze

Vetus Hydraulic Steering

Autopilot Drives Wheel 2 1/2 Turns L/L



Windlass/Anchor

Bow Anchor is Bruce 22, 100' 1/4" Chain, plus 300' 1/2" Nylon 45+ Knot Wind at 5-7 Scope

Stern Anchor is Benson 18, 30' 5/16" & 1/4" Chain, plus 200' 1/2" Nylon

Windlass is Simpson Lawrence Anchorman Power 700 lbs Pull Forward with Up-Only Foot Switch

Magma Rock & Roll Anchoring/Mooring Roll Stabilizer with Custom Outrigger Boom

Sails & Rigging

Mast is 30' Fiberglass over 3/8" Plywood, Hollow with Stainless Steel Top & Mid Fittings

Spruce Spreaders

Mainsail Hood 150 sq ft, 7.5 oz

Fully Battened Roller Furl/Reef into 13' Hood Stoboom

7' Harkin Traveler 

Genny Velocity 304 sq ft, 160% on Harkin "0" Roller Reefing & Furling

Gennaker North 510 sq ft, 165% 

Main Winches are Lewmar #24-2 Speed

Chute/Aux Halyard Mast #8 Winch

Main Cockpit Halyard #6 Winch

Wire Halyard Mast Winch for Genny

Dinghy

Achillies 8' 8" Inflatable with Hard Floor

Envinrude 4 hp, 2-cycle Custom Outboard Engine

Carries 4 Safely

Planes Fast with 1 Aboard

Engine & Dinghy (deflated) Stow in Aft Cabin

Price History

DateEventPrice
1/4/26Price decreased$14,000(-26.3%)
8/28/25Initial price$19,000

Overview from around the web 1963 Sumnercraft 31 Motor Sailer

Customers praise the 1963 Sumnercraft 31 Motor Sailer for its classic design, sturdy construction, and excellent sailing performance

Many highlight its spacious and comfortable interior, which makes it ideal for extended cruising. Owners appreciate the versatility of the motor sailer, enjoying the combination of reliable engine power and efficient sailing capabilities. Additionally, the timeless aesthetics and solid craftsmanship continue to attract enthusiasts who value both functionality and vintage charm in a vessel.

The Biggest Pros and Cons

The 1963 Sumnercraft 31 Motor Sailer is a classic vessel known for its unique blend of sailing and motoring capabilities. Here are some pros and cons to consider:

Pros

Versatile Performance: Combines efficient sailing with reliable motor power, allowing for flexible cruising options.

Sturdy Construction: Built with solid craftsmanship typical of the 1960s, offering durability and a robust feel.

Spacious Layout: Offers comfortable living space below deck, making it suitable for extended trips.

Classic Aesthetic: Timeless design with traditional lines that appeal to vintage boat enthusiasts.

Good Stability: The hull design provides steady handling in various sea conditions.

Cons

Older Systems: Being a vintage model, it may require updates to electrical, plumbing, and mechanical systems.

Maintenance Needs: Wooden or older fiberglass construction can demand more upkeep compared to modern boats.

Limited Modern Amenities: Lacks some contemporary conveniences found on newer motor sailers.

Performance Trade-offs: While versatile, it may not match the speed of dedicated sailboats or motor yachts.

Parts Availability: Replacement parts for vintage components might be harder to source.

Made For

The 1963 Sumnercraft 31 Motor Sailer is ideal for sailors and cruisers seeking a classic vessel that combines comfortable sailing with reliable motor power. Its sturdy design and spacious layout make it perfect for those who enjoy extended coastal cruising, weekend getaways, or leisurely exploration. Whether you’re an experienced sailor or someone looking to embrace the motor-sailer lifestyle with ease, this boat offers a versatile and charming option for navigating both open waters and sheltered bays.

Contact The Shoreline Yacht Group - Redondo Beach

255 Portofino Way, Redondo Beach, CA, 90277

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255 Portofino Way
Redondo Beach, CA 90277

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Contact The Shoreline Yacht Group - Redondo Beach

255 Portofino Way, Redondo Beach, CA, 90277

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from The Shoreline Yacht Group - Redondo Beach at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

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