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Gianetti Custom Yachts

Contemporary vision.Bespoke craftsmanship.

We design and build luxury yachts where contemporary naval architecture meets the enduring artistry of Italian craftsmanship.

(01)Our Projects

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Project 402

38m / 126ft Custom aluminium displacement superyacht

A substantially advanced custom yacht with the freedom to create the final interior, layout and propulsion specification.

Project 402
  • 38.35mOverall lengthoption to 41m*
  • 8.1mBeam
  • 16.5knTop speed
  • 2,400nmRange · at 10 knots
  • 10 or 12*Guests

Construction underway in ViareggioBureau Veritas Class24 months delivery

Project 401

Custom Aluminium Displacement Motor Yacht

Project 401 (38.5m / 125'10" / 340 GT / 4 decks) is a bespoke aluminium displacement yacht from Gianetti Custom Yachts, combining bold design. Built to charter class and certified by Bureau Veritas, she reflects exceptional craftsmanship and contemporary Italian style. Accommodating up to ten guests in five beautifully appointed staterooms, Project 401 offers a refined onboard experience enhanced by a generous pool, panoramic decks, and an elevator. Scheduled for delivery in summer 2026, she represents Gianetti’s vision of modern yachting excellence.

Project 401
  • 38.35mOverall length
  • 8.1mBeam
  • 16.0knTop speed
  • 2,400nmRange · at 10 knots
  • 10Guests

Project 403

Custom steel displacement yacht

Project 403 (41m / 134.5 ft / 370 GT/ four decks) is a custom motor yacht designed and built by Gianetti Custom Yachts.

Crafted in steel with an 8.1‑metre wide-body design, she is a displacement yacht with a full-load displacement of 260 tons, built to Bureau Veritas Charter MACH class standards.

Evolving from the Project 401 (2026), Project 403 has been conceived as a dedicated charter design from the outset. She offers flexible accommodation layouts with the option for five or six guest suites across three decks, supported by a crew of seven.

Final layout, interior design, and propulsion choices remain open for client configuration, ensuring a truly bespoke creation.

Project 403
  • 41mOverall length
  • 8.1mBeam
  • 16.5knTop speed
  • 2,400nmRange · at 10 knots
  • 10 or 12*Guests

(02)Dimensions · Performance · Architecture & Design

Specification

Project 402Project 401Project 403

Dimensions

Overall length38.35m (option to 41m*)38.35m41m
Water line length33.15m33.15m33.15m
Beam8.1m8.1m8.1m
Draft2.6m2.6m2.6m
Gross Tonnage340340360
Displacement210 tonnes210 tonnes220 tonnes

Performance

Engines2 off x Caterpillar C32 ACERT (1300 HP at 1800 RPM)*2 off x Caterpillar C32 ACERT (1300 HP at 1800 RPM)2 off x Caterpillar C32 ACERT (1300 HP at 1800 RPM)*
Generators2 off x Kohler 80 50Hz of 80KW with parallel*2 off x Kohler 80 50Hz of 80KW with parallel2 off x Kohler 80 50Hz of 80KW with parallel*
Top speed16.5 knots16.0 knots16.5 knots
Range1700 nautical miles at 12 knots1700 nautical miles at 12 knots1700 nautical miles at 12 knots
Range2400 nautical miles at 10 knots2400 nautical miles at 10 knots2400 nautical miles at 10 knots

Architecture & Design

Hull typeAluminium, wide-body, displacement, twin propellerAluminium, wide-body, displacement, twin propellerSteel or Aluminium, wide-body, displacement, twin propeller*
ClassificationBureau Veritas, I ✠ HULL - MACH Charter Yacht – Motor – A Navigation Limited to 60 Nautical Miles COMF(Y)*Bureau Veritas, I ✠ HULL - MACH Charter Yacht – Motor – A Navigation Limited to 60 Nautical Miles COMF(Y)*Bureau Veritas, I ✠ HULL - MACH Charter Yacht – Motor – A Navigation COMF(Y)*
CabinsFull-beam owner’s master/ VIP cabin, option for master cabin on upper deck*, two double guest cabins, two twin guest cabin*Full-beam VIP cabin, owner’s master cabin on upper deck, two double guest cabins, one twin guest cabinFull-beam owner’s master/ VIP cabin, option for master cabin on upper deck*, two double guest cabins, two twin guest cabin*
Guests10 or 12*1010 or 12*
Crew777

* Subject to client selection

(02)About Gianetti

Legacy of design excellence, innovation, and quality

Project 401 and 402 side by side in the yard photo

Gianetti Custom Yachts builds upon the distinguished legacy of Gianetti Yachts, a family‑run shipyard renowned for its craftsmanship and dedication to quality.

For decades, the brand has been celebrated for its expertise in constructing small to medium‑sized vessels. Since 2015, supported by a strategic investment partnership, Gianetti Custom Yachts has expanded its tradition of design excellence, technical innovation, and refined engineering into the superyacht sector.

About Company
Project 402 photo front under 2

(03)Gianetti shipyard

Gianetti shipyard

Via Marina di Levante 15, 55049, Viareggio LU, Italy

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Gianetti Yard Italy back road picture night
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Gianetti Yard Italy back picture night
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Project 402 photo front under 2
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Project 401 and 402 side by side in the yard photo
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Project 402 aft tanks in the yard photo 4
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Project 402 aft tanks in the yard photo 3
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Project 402 aft tanks in the yard photo 2
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Project 402 aft tanks in the yard photo
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Gianetti Yachts yard Italy back view
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  1. 1986

    Company founded

    Roberto Gianetti envisioned and founded his own line of yachts, giving rise to the Gianetti Yachts brand. Supported by his son, Fabrizio Gianetti.

  2. 1987- 2009

    G & Navetta Product Line

    Introduced a distinctive collection of motor yachts including ‘G’ series and ‘Navetta’ series

  3. 2015

    Strategic Partnership and Growth

    Expanding decisively into the superyacht sector, elevating its tradition of design excellence, innovation, and quality to a larger scale.

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Project 402 brochure