Seawind 1160 Plot Twist

Plot Twist is a thoughtfully upgraded 2005 Seawind 1160 Deluxe catamaran for sale, configured as a 3-cabin / 2-head owners version. She has been actively cruised throughout the Bahamas and continuously improved with a clear focus: creating a highly capable, energy-independent cruising platform rather than a dockside showpiece. With an air draft of 60', she is also ICW friendly. The Seawind 1160 Deluxe layout is known for its practical use of space, excellent ventilation, and seamless indoor-outdoor living via the signature tri-fold saloon doors. Plot Twist stands out as a rare example of a Seawind 1160 that has been systematically upgraded for serious cruising. With a robust lithium/solar energy system, watermaker, modern electronics, and a deep inventory of cruising gear, she offers a compelling opportunity for buyers seeking a ready-to-go platform for immediate adventure. This is a true turn-key cruising platform, ready to depart immediately and continue cruising with modern systems, exceptional energy independence, and a deep inventory of cruising equipment offering reliability, self-sufficiency, and ease of operation. The Seawind 1160 creatively blends key Seawind concepts to create an open-plan design that successfully combines the huge living space and all-round visibility, quality fitout with safety & security in mind. The result is a proven, turnkey cruising catamaran equipped for immediate liveaboard or extended offshore adventure, with modern systems, robust energy generation, and an extensive inventory of cruising gear.

Key Highlights

• 1600W REC Alpha Pure solar array


• 900Ah ReLion lithium battery bank


• Complete Victron power system


• Rainman 120V watermaker (~30 GPH)


• 18,000 BTU Dometic air conditioning (2025)


• Standing rigging replaced (2024/25)


• Running rigging upgraded to Dyneema (2026)


• Bruntons Autoprop self-pitching propellers (2025)


• HydroAxe shaft line cutters (2025)


• Raymarine Axiom 2 + Quantum 2 radar suite (2025)


• Hull windows re-bedded (2024/25)


• Custom AquaTraction decking (2024)

Interior

Ornate polished timber dining table: Lowers to create coffee table or double bed

Forward windows in 10mm toughened glass and inset with opening 500mm x 375mm aluminium opening hatch. Side windows in 6mm toughened glass

Simulated teak & holly flooring

Saloon / cockpit doors: Moulded gelcoat tri-fold doors. Complete with folding mechanism for folding into Targa walkway

Polished timber solid doors on all private cabins

Port & Starboard fwd cabins: Each queen sized bed (2050mm x 1540mm)

Aft Starboard cabin: Double bed (1990mm x 1230mm)

Electrical

The onboard electrical system has been purpose-built for off-grid cruising, centered around a large lithium battery bank and high-output solar array.

• 900Ah ReLion LiFePO4 battery bank


• 1600W REC Alpha Pure solar panels


• Victron MultiPlus 12/3000 inverter/charger


• Victron BMV-712 smart battery monitor


• 4 Victron MPPT 100/30 charge controllers


• Honda EU2200i portable generator

This setup provides substantial autonomy, allowing extended periods at anchor without reliance on shore power or frequent generator use.

• One engine battery 1000 cold cranking amps AGM


• 230amp heavy duty isolation switch.


• 12 V lighting: Numerous 12V interior lamps and courtesy lights throughout.


• Dome lights in cockpit


• Deck floodlight mounted on mast


• Mast head anchor / riding light

Galley

Spacious galley with co-ordinated laminex counter surfaces, timber accents.

Force 10 2 burner LPG stove & oven.

Stainless steel pot holders

Trident gas detector/Solenoid

Double bowl stainless steel sink.

Pressure hot & cold fresh water system.

Single lever mixing tap.

Isotherm fridge

Spacious freezer, large 60 litre top loading, heavily insulated. 12volt Eutectic system by ICEER.

Under bench storage with polished timber door fronts & cutlery drawers.

Inboard side of galley: Over-bench cupboards with sliding door fronts

Simulated teak & holly flooring.

Propulsion

Twin Yanmar 3YM30 diesel engines with SD20 saildrives (approx. 5000 hours) deliver reliable and efficient cruising performance.

• Cruising speed: ~7 knots


• Engine setting: ~2500 RPM


• Fuel burn: ~0.7 GPH per engine

This efficient profile makes Plot Twist well-suited for long-range island hopping with minimal fuel dependency.

• Twin Yanmar 30hp saildrive diesel engines. Fresh water cooling, rubber isolation mounts on reinforced fibreglass bed with integral oil drip pan.


• Three bladed Bruntons autoprop high quality variable pitch propellers with line cutters


• Engine controls at port helm station. Remote electric key start at engine controls.


• Fuel tanks: Total 360 litres (80 gallons) in two survey approved pressure tested aluminium tanks. Fuel gauge site glass fitted.


• Water intakes for engines protected by external strainer & filter. (1 per engine)


• Twin primary Racor (or similar) water separator / fuel filters, secondary engine fuel filters, jacketed fuel lines.


• Engine, fuel tank & fuel line installation to Australian standards to meet offshore survey.


• Console mounted engine instruments with electric tachometers, engine monitoring & warning systems, engine hour meters.

Navigation

Updated in 2025 with a modern Raymarine suite:

• Raymarine Axiom 2 chartplotter


• Quantum 2 Doppler radar


• Integrated autopilot and instrument displays


• New DST transducer

Plumbing

Rainman 120V watermaker (~30 gallons per hour)

Dometic GTVX18 18,000 BTU air conditioning (installed 2025)

11-gallon hot water heater with engine heat exchanger

These systems support comfortable long-term cruising in warm climates.

Sails & Rigging

Rigging

Recent rigging upgrades enhance both safety and performance.

• Standing rigging replaced winter 2024/25


• Running rigging largely replaced with Dyneema (2026, remaining lines onboard)

Sail Inventory

• Mack Sails fully battened mainsail


• Barracuda headsail


• Mack Sails screecher on Ronstan continuous furler


• ISTEC Parasailor

The mainsail is stored in a Mack Pack stack pack with lazy jacks and a lifetime warranty.

Deck

• Forward anchor & storage hatches x 5


• Cockpit storage hatches x 2


• 6 x Docking cleats. Each side: bow, stern & amidships


• 1 x Heavy duty mooring cleat on forward walkway


• Ventilation: 6 total deck hatches (2 in owners berth, one in starboard head, one above starboard berth, one above nav station, one above galley) and 3 port light hatches (galley, owners head, third cabin)


• Mast base turning blocks. All halyards & sail controls to cockpit.


• 10 x Rope clutches – Spinlock brand


• Sheet winches: 2 x Harken ST46ST


• Stanchions/Rails: High quality stanchions, bow rails and stern rails with 3 life-lines. 700mm high to meet Australian survey requirements


• 2 x transom access gates with pelican hook releases


• 2 x side access gates with pelican hook releases


• Aft swim ladder: folding stainless aft swim ladder

Recent Upgrades & Improvements

• Bruntons Autoprop self-pitching propellers (Dec 2025)


• HydroAxe shaft line cutters (Dec 2025)


• All hull windows re-bedded (2024/25)


• Custom AquaTraction decking (2024)

Plot Twist is offered with an extensive cruising inventory & water toys, making her truly turnkey:

• 2023 OC 330 tender


• 2023 Mercury 9.9hp outboard


• Dive compressor and tanks


• Paddleboards


• Wingfoil gear


• Fishing and spearfishing equipment


• Avalon Dock inflatable platform


• Magma grill

Anchoring / Mooring

• 55 lb Mantus M2 Pro main anchor


• 20 kg Rocna secondary anchor


• 300 ft of 5/16″ chain


• 4 Harken 2-speed winches (primary electric)


• Electric anchor winch with chain & gypsy. Located under locker to give clean deck. Winch is Muir HR1200 COUGAR with 1000 watt motor.


• Anchor winch with remote up / down control at the helm station.