1988 Duffy 31 Lobster Boat

$99,500

Used

Boat in Dorchester, MA 02122 US

builtBuilt in 1988
Year the boat was built
model

31 Lobster Boat

Boat model
engine

1 Engine (Cummins)

Engine type and count
length

30.8 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
30.83ft
Length Overall
30.83ft
Length at Waterline
29.25ft
Length on Deck
31ft
Beam
11.42ft
Max Draft
3.5ft
Deadrise At Transom
10deg
Cruising Speed
12kn
Max Speed
15kn
Cabins
1
Heads
1
Fuel Tanks
100gal
Holding Tanks
20gal
Windlass
electric-windlass
Electrical Circuit
110v
Hull Material
fiberglass
Hull Shape
semi-displacement
Engine 1
Engine Make
Cummins
Engine Model
6BT5.9
Total Power
210hp
Engine Hours
2690
Engine Type
inboard
Fuel Type
diesel
Engine Year
1988
Drive Type
direct
Propeller Type
4-blade
Propeller Material
bronze
Swimming Ladder
Touch Screen
Electric Bilge Pump
Marine Head
Hot Water
Refrigerator
Battery Charger
Depthsounder
Log Speedometer
Radar Detector
Navigation Center
Plotter
Radio
Ais
Shore Power Inlet
Additional Information

Red Sky is a rare to the market Spencer Lincoln designed Duffy Lobster Yacht. The built down, semi-displacement hull design is well known for a great ride. Lightly used & never fished, this Duffy 31 hardtop (Style C layout) with a solid fiberglass hull; Herreshoff style interior of teak trim & fiberglass paneling including galley, head, shower and spacious forward v-berth with filler. She boasts a rare combination of comfortable, roomy interior and ample cockpit for a boat of this size. The helm door is a real plus! Just back from a trouble free and economical 600 mile 12 day trip to Maine. Strong enough for fishing and comfortable enough for overnight trips with the Admiral! The engine access and convenience of reaching all important items cannot be overstated. Three hinged access panels open fully out of the way, exposing the entire cabin floor. She has had great care and upgrading on our watch over the past 5 years and is ready to go now with her new owners. Well over $25k in upgrades!

Mechanical Upgrades:

Injectors (2026) 

Heat exchangers for engine and transmission rebuilt (2025)

New bell housing last year (2025)

Motor mounts replaced approximately four years ago.

Racor dual turbine fuel filter. Reverso Oil Changer.

Two 8D Batteries. 

Hydro-slave (rockland Maine). 

Hrydraulic commercial duty steering with bronze steering wheel.

Buck Algonquin type heavy duty bronze stuffing box and bronze cutlass bearing 

assembly with a four blade propeller.

Electronics are all about five years old and all work.  Two screens for radar and plotter with overlay.


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.

Price History

DateEventPrice
3/19/26Initial price$99,500

Overview from around the web 1988 Duffy 31 Lobster Boat

Customers appreciate the 1988 Duffy 31 Lobster Boat for its classic design and reliable performance

Many highlight its sturdy construction and spacious deck, making it ideal for both fishing and leisurely cruises. Owners often commend the boat's smooth handling and ease of maneuverability, especially in coastal waters. Additionally, the nostalgic charm and timeless appeal of the 1988 model are frequently mentioned, making it a favorite among boating enthusiasts who value both function and style. Overall, reviews reflect satisfaction with the boat's durability and the authentic lobster boat experience it provides.

The Biggest Pros and Cons

The 1988 Duffy 31 Lobster Boat offers a classic design and reliable performance, making it a popular choice among boating enthusiasts. Here are some pros and cons to consider:

Pros

Sturdy Construction: Built with a robust hull and quality materials, ensuring durability and longevity.

Classic Lobster Boat Styling: Timeless aesthetic appeal that stands out on the water.

Spacious Deck Layout: Ample working space ideal for fishing, crabbing, or leisure cruising.

Reliable Engine Options: Well-maintained engines provide dependable power and efficiency.

Versatility: Suitable for both commercial and recreational use, including lobster fishing and day trips.

Good Stability: Designed to handle coastal waters with confidence.

Cons

Aging Systems: As a 1988 model, some onboard systems and equipment might require updating or maintenance.

Fuel Efficiency: Older engine models may not be as fuel-efficient compared to modern alternatives.

Limited Modern Amenities: Lacks some of the contemporary conveniences found in newer boats.

Maintenance Costs: Potential for higher upkeep expenses due to the boat’s age and mechanical components.

Availability of Parts: Certain specific parts may be harder to source given the boat's vintage status.

Made For

The 1988 Duffy 31 Lobster Boat is ideal for boating enthusiasts who appreciate classic, sturdy vessels with a timeless design. It's perfect for those interested in a reliable lobster boat style that combines functionality with charm, whether for leisurely cruising, fishing, or exploring coastal waters. Its spacious layout and durable construction make it suitable for both experienced sailors and those looking to enjoy comfortable and versatile time on the water.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1988 Duffy 31 Lobster Boat. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Lobster cost in today's market, or how much does a Duffy cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$1,129.30/mo
$
$
Loan amount$ 99,500
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1988 Duffy 31 Lobster Boat. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Lobster cost in today's market, or how much does a Duffy cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$1,129.30/mo
$
$
Loan amount$ 99,500
OR
%

Contact Winter Island Yacht Yard Inc

3A Winter Island Rd, Salem, MA, 01970

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Address

3A Winter Island Rd
Salem, MA 01970

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