Seaquest 3600 Just Listed

SESAQUEST 3600 | Twin Diesel Yanmars | Extensive Upgrades | Spare Parts | Fresh Antifoul 2026 | Polish & Wax Scheduled 06/26

This vessel has had considerable investment and attention devoted to its upkeep, servicing, equipment upgrades, and spare parts support. The inclusion of navigation upgrades, electrical works, safety gear, plumbing items, fuel system components, engine-related spares, and servicing records adds significant practical value to the next owner.

2025 saw this vessel placed on hard stand whilst the owner was away, and it has now been antifouled and berthed at Hope Harbour Marine as of May 2026, in preparation for sale.

For a buyer looking for a boat with a comprehensive list of improvements, onboard spares, and service-related items, this package offers a well-supported vessel with substantial useful equipment already in place.

This vessel has been supported by a substantial list of owner-recorded upgrades, servicing, new parts, spare parts and equipment additions across 2022,2023 and 2024.
The owner's notes show a significant investment in navigation, electrical, engine servicing, safety equipment, plumbing, fuel systems, spares, and general onboard improvements.

The owner has recorded the following equipment and works as fitted or supplied:
Simrad NSS EVO3S display
NSPL-500 VHF antenna splitter
New aerial and wiring/cable
New legs, noted March 2024
New trims
New electrics and switches fitted
New 12V connections fitted upstairs and downstairs
New hot and cold water pipes
New sender, noted as a sensor for the water tank level
New white and red toilet hoses
New engine hoses
AIS fitted
Engines removed, serviced and rebuilt, including intercoolers
New bilge pump
Brand new storm life jackets
Marine radio
New shades
New antenna
New battery, 12V, box and cables
New lifting davit/crane
High tender lift
New rope and emergency flares
New boat anchor chain
New shower hose for the back deck shower
New fuel hoses for the generator
Degreaser and general maintenance items
Turnbuckles, fenders, shackles, silicone, bait table cutting boards and other general boating items

Servicing and Mechanical Items Recorded:
Service of both engines
New legs and parts
Ross Haven Marine antifouling, yard expenses and related works
Marine oil and backup marine oil
Cyclone straps for boat on hard stand
Boat impellers and labour
Heavy duty bilge pump, NMEA 2000 kit and oil changer
Hose pump joint
Impeller, hose clamps and related items
Electrical wiring, new hoses and return valves
Toilet seat fittings
Planner and anchorage books
New taps for boat
Vented loop
Jerry can, 20L
Fuel filter replacement

Spare Parts Package:
A large spare parts inventory is noted by the owner, including items such as:
Worm drive clamps in various sizes
Fuel filter/water separator S3227
Fuel filter FC-1702
Perkins Powerpart filter kit Call Seller
Winch relay 154506
Solenoid dual switch 500/600 series 12V
Winch
Replacement DTF sensor kit, part number DRK 0016, CP/No. Call Seller
Yanmar engine zinc anodes and brass plugs
Yanmar aluminium anode kits
Yanmar sterndrive aluminium anode kit, 196350-22200
Yanmar hot water return hose kit
Yanmar engine hose pump outlet
Yanmar engine impellers
Yanmar cord, 196350-03920
Yanmar gasket cover, 196350-02990
Yanmar gasket housing, 196350-03340
Assorted Yanmar O-rings
Yanmar caps, 196350-07552
Yanmar V-belt, 120650-42360
Yanmar oil level gauge, 196312-06400
Yanmar nut panel, 120650-75360
Britax automotive socket high power relays, 70A
Britax automotive OEM quality relays
Vetus water strainer type 330
Set of O-rings and cover for water filter 330
Johnson pump SPX brand 341900,12V electronic float switch
Johnson pump impeller 09-808B-1, MC97 compound
Johnson impeller O-rings
Jabsco impeller kit Profile D 22405-0001-P
Jabsco flat tank oil changer system, model 17860-2012
Jabsco air filter kit, AIRSEP
Yanmar element oil filter 165000-69590E
Fuel filter/water separator spares
ALCO fuel filter FF-010
Gwen fuel bowl square B2764
Hatch lift 12V
Fluids and Consumables Recorded

Disclaimer
The above information has been prepared from handwritten notes and records supplied by the owner. Boats International has not independently verified every item, part number, invoice, date, cost, quantity or condition. Buyers must rely on their own inspection, survey and mechanical inspection before proceeding with a purchase. Equipment, inclusions, working conditions, and specifications should be confirmed by the buyer prior to settlement.