BoatsNautitech 46 Open

Nautitech 46 Open

Catamaran, twin keels · Fractional Sloop · First built 2016

A 13.79-metre catamaran featuring Roseo Design interiors and available in a flybridge configuration

Designed by Marc Lombard & Roseo Design.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Keel

See her sail

The Nautitech 46 Open, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Catamaran Mistertong

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LightHeavy

117 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 117
EasygoingPowered-up

23.8 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 23.8

What the fleet has seen

The Nautitech 46 Open, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Nautitech 46 OPEN is a 13.8-meter fractional sloop catamaran designed by Marc Lombard and Roseo Design, built by Nautitech Catamarans since 2016. It features a twin keel hull and displaces 10,800 kg, with a flybridge variant also available. Aboard *Mistertong*, Djé and Nad toured a Nautitech 46 OPEN at the Martinique Boat Show, noting its open boarding policy.2:10 The boat's interior design is by Roseo Design. The flybridge version has a smaller main sail and a displacement of 11,400 kg.

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen once across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
23.8
Displacement / length
116.8
Hull
Hull type
Catamaran Twin Keel
Construction
FG w/poly foam sand.
Production
Years built
First built 2016
Designer
Marc Lombard, Roseo Design
Builder
Nautitech Catamarans

Boats like this, on the water

More boats like her, on the water

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Helia 4413.30 mSame hull family0.5 m shorterA Berret-Racoupeau designed catamaran featuring a rotating spar and shallow draft, offered in Maestro or Quatuor layouts
Sail Life - The most satisfying coat of antifouling ever0:03from Sail Life
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Antares Yachts 4413.41 mSame hull family0.4 m shorterA Ted Clements-designed catamaran with a shallow 1.22m draft, evolved from the PDQ 42 for offshore cruising
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Aventura 4513.50 mSame hull family0.3 m shorterA 2025-launched catamaran with a 24.34 sail area-to-displacement ratio, balancing modern performance with a 1.4-metre draft
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Catana 4714.33 mSame hull family0.5 m longerA Christophe Barreau-designed performance catamaran featuring a rotating fractional rig and twin daggerboards
It took us 3 years to return to the Pacific on our SAILBOAT [Ep.105] The Bohemia Journey12:02from El Viaje de Bohemia
Lagoon 4714.10 mSame hull family0.3 m longer
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The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Nautitech 44 OpenA 13.3-metre twin-keel catamaran launched in 2022 that balances a high 21.8 sail area-to-displacement ratio with a 1.45-metreNautitech 48 OpenA 14.67-metre twin-keel catamaran built for 2023 that prioritizes a spacious open-concept layout for coastal cruisingNautitech 40 OpenA Marc Lombard-designed performance catamaran featuring an open-concept cockpit and a high sail area-to-displacement ratioNautitech 47A performance-oriented catamaran featuring a rotating fractional rig and a high sail-area-to-displacement ratioNautitech 541/542A Marc Lombard-designed performance catamaran featuring a high sail-area-to-displacement ratio and flexible cabin layouts

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