Seamore 34Launch of the first Antonini Navi from La Spezia

Ralf Marquard

 · 02.04.2026

Seamore 34: Launch of the first Antonini Navi from La SpeziaPhoto: Antonini Navi
The Seamore 34 in the harbour of La Spezia.
The Antonini Navi shipyard in La Spezia launched its first Seamore 34 at the end of March 2026. She is a 34-metre displacement vessel under 500 gross tonnes and marks the shipyard's entry into steel superyacht construction.

Antonini Navi is entering a highly competitive market segment with the Seamore 34. The 34-metre steel displacement yacht competes with established Italian and Northern European shipyards. The shipyard is working with international design studios such as Nauta Design, Fulvio De Simoni Yacht Design and Hot Lab.

The christening took place on 28 March 2026 in a private setting with the owner and his family. The traditional blessing of the ship was part of the ceremony. The Seamore 34 forms the basis for a future semi-custom line, where buyers can choose between different configurations.

Decks and interior fittings

Antonini Navi developed the concept in-house. The steel and aluminium construction can be adapted to customer requirements in terms of layout and equipment. The Milan office Hot Lab is responsible for the interior design. The floor plan combines indoor and outdoor areas through large sliding glazing.

On the main deck, over 150 square metres of living space extend from aft to the bow. The sliding glass elements allow the rooms to be opened or closed depending on the weather. The upper deck offers around 160 square metres of outdoor space for social activities.

The interior combines classic with contemporary design elements. Fluted surfaces, antiqued glass and pastel-coloured paintwork characterise the appearance. According to the designers, this choice of materials is intended to modulate the light and make the rooms appear larger. The colour palette remains restrained and is based on maritime tones.

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About Antonini Navi

Antonini Navi was born from the partnership between Gruppo Antonini SpA and Aldo Manna. Gruppo Antonini has been in existence since 1943 and is based in La Spezia. Manna contributes its expertise from over three decades in the superyacht business. The shipyard combines industrial production capacities with specific expertise in yacht building and offers custom yachts and refit services.

Technical data:

  • Length: 34 metres
  • Building material: Steel and aluminium
  • Gross register tonnes: under 500 GT
  • Living space main deck: over 150 square metres
  • Outer surface upper deck: about 160 square metres
  • Shipyard: Antonini Navi, La Spezia

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Ralf Marquard

Ralf Marquard

Deputy Editor in Chief BOOTE

Ralf Marquard discovered his enthusiasm for boating on the tranquil Aller, first with inflatable boats and later with a 6-meter cabin cruiser. His electrical engineering studies at HAW Hamburg took him from the southern Heidekreis (Lower Saxony) to the Hanseatic city. Ralf Marquard has been working for the BOOTE editorial team since 1997, where he trained as a test editor. He tests both small inflatable boats and larger yachts. His personal boat is a 4.50 meter long, self-built wooden boat with a 50 hp outboard motor. In 2007, he was appointed deputy editor-in-chief at BOOTE.

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