Shipyard · New build & refit

Fassmer (Fr. Fassmer GmbH & Co. KG)

Family-owned German yard on the Weser best known for research vessels, rescue cruisers, patrol boats and lifeboats/tenders. Yacht output is small: the 48 m explorer Hanse Explorer and a line of 'CrossOver' explorer designs based on its naval platforms, plus yacht conversions and refits since a 70 m conversion in 2013. It also builds SOLAS-certified tenders and limousines for superyachts.

Key facts

Parent
Fassmer Group (Fassmer family)
Country
Germany
Founded
1850 (Bardenfleth; moved to Berne-Motzen in the 1960s)
Status
Active
Size range (LOA, m)
CrossOver yacht designs 48–65.65 m (yard site); tenders 6.3–11.5 m
Largest delivered
Hanse Explorer, 48.0 m, 2006 (yard site 48.00 m; SYT 47.76 m) — largest private yacht; Rainbow Warrior (III) 57.92 m, 2011, a Greenpeace motor-sailing vessel the yard lists under CrossOver Yachts
Yachts delivered
not published (SYT lists 1 yacht, Hanse Explorer, as of Sep 2026)

Notable yachts

  • Hanse Explorer · 48.0 m, 2006
  • Rainbow Warrior III · 57.92 m, 2011, motor-sailing vessel for Greenpeace
  • High Power III · 70 m Rossinavi 2011, refit Sep 2024–early 2025
  • unnamed 70 m superyacht conversion · 2013

Services

  • CrossOver/explorer yacht new build
  • yacht conversions and refits
  • yacht tenders and rescue boats
  • naval architecture and in-house design
  • maintenance, repair, upgrades and conversions (Fassmer Technical Services)

Haul-out

Travel liftnot published
ShipliftShip lift installed 2003 for new builds/repairs of vessels up to 70 m (de.wikipedia, undated); tonnage and platform size not published
Dry / floating docknot published (yard photos show vessels in dock; dimensions not stated)
Max LOA handled (m)70 (ship lift limit per de.wikipedia, undated; 70 m High Power III refitted 2024–25)
Max tonnage handlednot published (largest CrossOver design 1,850 t displacement)
Sheds / berthsProduction halls for shipbuilding, boatbuilding and composites at Berne (sizes not published)

Sources

  • fassmer.de — https://www.fassmer.de/en/maritime/products/shipbuilding/crossover-yachts/
  • fassmer.de — https://www.fassmer.de/en/maritime/products/shipbuilding/yacht-refits/
  • de.wikipedia.org — https://de.wikipedia.org/wiki/Fassmer
  • yachtbuyer.com — https://www.yachtbuyer.com/en/news/70m-rossinavini-superyacht-high-power-iii-seen-on-first-sea-trial-after-major-refit

Compiled from published sources. Figures carry their own source and date where one exists.