The Silent 55 represents a revolutionary step forward in sustainable yachting, combining state-of-the-art solar-electric propulsion with timeless design and world-class comfort. Built by Silent Yachts, pioneers in solar-powered cruising, the 55 offers whisper-quiet operation, zero emissions, and remarkably low maintenance — redefining the modern cruising experience.

Powered entirely by solar energy, the Silent 55’s advanced photovoltaic system and lithium battery banks deliver unlimited range at low speeds and silent operation under power or at anchor. With no need for constant refueling and minimal mechanical noise, guests enjoy a peaceful onboard environment and true energy independence.

The expansive catamaran design provides exceptional stability and living space. Her open-plan salon offers panoramic views and seamless flow to the aft cockpit — perfect for entertaining or dining al fresco. Below, the Silent 55 features luxurious accommodations for up to 6 guests in elegantly appointed cabins, each with ensuite bathrooms.

Highlights include:

• Fully solar-electric propulsion with energy storage for day and night operation

• Silent and vibration-free cruising – no diesel fumes or generator noise

• Expansive salon and flybridge with panoramic visibility

• Spacious master suite and multiple guest cabins with ensuite heads

• Optional hybrid or range extender system for long-distance capability

• Low operating costs and minimal maintenance requirements

The Silent 55 is not just a yacht — it’s a statement of innovation, freedom, and sustainability. Ideal for owners seeking long-range, self-sufficient cruising without compromising comfort or luxury.

Experience the future of yachting — today.

Propulsion & Generator

• Main Drives: Twin TM4 SUMO electric motors, 225 HP each (450 HP total)

• Hybrid Genset: Volvo Penta D3-220, 100 kW, approximately 715 hours (replaced December 2023)

• Drive Hours: Not stated

Batteries & Charging System

• High Voltage Traction Batteries: Approx. 200 kWh total capacity (three banks of ~70 kWh each)

• Low Voltage House Batteries: 20 kWh total (four banks of 5 kWh each)

• Starter Battery: 12V 100Ah AGM

• Solar & Charging System: 20 × MPPT 75/15-type controllers (15 forward, 5 aft bridge)

• Flybridge Roof: Hydraulic opening system fitted with flexible solar panels

Watermakers

• Two (2) Schenker Zen 100, 24V units

Air-Conditioning & Ventilation

• Dedicated cooling system for battery compartments

• Vessel HVAC: one main compressor feeding six blowers (four cabin units + two salon units)

Tanks & Capacities

• Fuel (Diesel): 1,395 L

• Fresh Water: 750 L

• Black Water: Port 450 L; Starboard 350 L

• Water Heaters:

  • Port: 20 L

  • Starboard Forward: 20 L

  • Starboard Aft: 80 L

Tender & Auxiliary Propulsion — Included

• Tender: West Marine RIB-350 Double Floor Hypalon (2022)

  • HIN/ID: CN-WMPWB030A222

  • LOA: 11’5” (3.48 m)

  • Beam: 5’10” (1.78 m)

  • Capacity: 4 persons / Max load 1,320 lb

  • Maximum Power: 25 HP

• Outboards:

  • Yamaha F25LMHC (25 HP, gasoline)

  • Torqeedo Travel 1103 CS (electric) with spare battery

Safety & Emergency Equipment

• VHF Rescue Handheld Radios: 2

• Fire Extinguishers:

  • 3 in guest cabins (one per cabin)

  • 1 in crew cabin 

  • 2 in saloon

  • 3 small units in battery compartments

  • 1 automatic extinguisher in generator compartment

  • 1 automatic extinguisher in battery compartment

• CO₂ Fixed Fire-Fighting System: Onboard

• First-Aid Kit

• Emergency Flares & Signaling Devices

• Life Rafts: 2

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.