1986 Marine Trader 47’ Tradewinds – “KOINONIA”

Location: Kemah / Seabrook, Texas

Broker: Little Yacht Sales – Burke Devereux-281-734-6625

A marvelous example of the popular Marine Trader 47 Tradewinds, KOINONIA offers a classic trawler profile, roomy interior, efficient Ford Lehman diesels, and an unbeatable cruising layout. With three staterooms, two heads, a generous salon, a full-beam master, and a raised aft deck, this vessel is built for comfortable long-range cruising, liveaboard life, or coastal adventure.

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⭐ Highlights & Upgrades

• Twin Ford Lehman 225 Diesels

– Port: 2,715 hrs | Starboard: 2,919 hrs since overhaul

• Westerbeke 11kW Generator

• Vetus Bow Thruster

• Dual Hydraulic Steering Stations

• New Electronics & Autopilot

• New House & Thruster Batteries (May 2025)

• New Flybridge Clear Enclosure

• Two Stateroom / Two Head Layout

• Cruisair 32,000 BTU Air Conditioning

• Galley Down w/ Upright Fridge & LPG 3-Burner Stove

• Maxwell 12V Windlass w/ Plow Anchor

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🛥️ Vessel Overview

KOINONIA is a traditional trawler-style cruiser with a solid fiberglass hull, wide walkaround decks, raised aft deck, upper & lower helms, and spacious interior. Built at the respected Lien Hwa Yard in Taiwan, these Tradewinds 47s are known for their durability, economy, and efficient hull design.

Her interior features a full-beam master aft, forward V-berth with private head, galley and dinette down, generous salon, and easy engine room access. A terrific liveaboard platform with excellent storage.

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🛏️ Accommodations

Master Stateroom – Aft Full Beam

• Queen berth

• Private ensuite head w/ shower

• Ample storage

• Direct access from salon staircase

Forward V-Berth

• Two bunks

• Adjacent head with shower

Additional Cabin

• Portside bunk cabin just forward of master

Salon

• Bright, spacious salon with lower helm

• Access to engine room below salon/galley

• Comfortable seating and large windows

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🍳 Galley

• Galanz 110V upright refrigerator 

• Princess 3-burner LPG stove

• Double stainless steel sink

• 20-gal Raritan water heater

• Microwave oven

• Dinette opposite galley

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⚙️ Mechanical & Engines

Twin Ford Lehman 225 Diesels

• Freshwater cooled

• Both engines cold-start cleanly

• Held 180°F on sea trial

• Smooth shifting & no abnormal vibration

• Traditional shaft packing glands

• 2” stainless shafts | Bronze 4-blade props

Generator – Westerbeke 11kW

• Control box missing components (needs repair)

Fuel System

• 470 gallons total (4 aluminum tanks)

• Racor 1000 (mains) & Racor 500 (generator)

• Newer tanks, only minor surface corrosion

Fresh Water

• Two stainless tanks (reported new)

• FloJet pressure system

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⚡ Electrical

• 240V 50A shore power or generator

• 12V DC system

• New batteries (May 2025)

– (2) Group 24 House/Start

– (2) Group 27 Thruster

• Pro Nautic 50A smart charger

• Updated Garmin electronics & autopilot

• All cabin and nav lights functional

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❄️ Air Conditioning

• (2) Cruisair units

• Total 32,000 BTU

• Both functioned properly

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🛡️ Safety Equipment

• All new 2025 fire extinguishers

• Type II/III lifejackets

• New flares (2025)

• Bilge pumps: 3 Rule 1500 GPH (all working)

• Recommendation: Install smoke/CO detectors in all cabins

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🧭 Electronics & Helm

• Garmin chartplotter suite

• Autopilot

• Dual helm stations

• Capilano hydraulic steering

• 12V air horn

• New flybridge clear enclosure

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🛠️ Hull, Deck & Construction

• Solid fiberglass hull with epoxy barrier coat

• Bottom paint pressure-washed (May 2025)

• Minor random blisters (non-structural)

• Painted topsides (rolled) in fair condition

• Non-skid decks in sound condition

• New flybridge enclosure

• Bronze thru-hulls, good condition

• Props/struts show pinking but no pitting

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⚓ Ground Tackle

• Maxwell 12V windlass

• #66 galvanized plow anchor

• ~150’ rode with 10’ chain

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🛠️ Survey Recommendations 

• Repair generator & replace missing control components

• Correct LPG tank storage (proper vented locker required)

• Install smoke/CO detectors throughout

• The rest of the notes are cosmetic or routine maintenance items

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🌟 Overall Condition

According to Maudlin Marine’s 2025 survey:

• Structurally Sound

• Average Overall Condition for age

• Very Good Construction Quality

• Needs generator attention, LPG locker correction, and normal cosmetic updates

• Ideal liveaboard or coastal cruiser with strong bones and reliable Ford Lehmans

📞 Contact the Listing Broker

Burke Devereux

Little Yacht Sales

Kemah, Texas

📱 281-734-6625

📧 burke@littleyachtsales.com

Growing up around Lakewood Yacht Club and Galveston Bay, Burke brings decades of hospitality, yacht sales expertise, and local knowledge to help you “own the dream.”