Shipyard · New build & refit

Claasen Shipyards

Zaandam builder founded by Nico Claasen in 1985, known for reviving the J Class with Lionheart and for the Truly Classic and F Class sailing yachts. Vitters took it over in 2016, initially keeping the brand; the Claasen website now redirects to Vitters.

Yachts built by Claasen →

Key facts

Parent
Vitters Shipyard (since 2016)
Country
Netherlands
Founded
1985
Status
Merged into Vitters Shipyard (2016)
Size range (LOA, m)
24–43.4
Largest delivered
Lionheart (J Class), 43.4 m, 2010
Yachts delivered
12+ (BOAT profile list, undated); SYT fleet page 11 (as of Sep 2026)

Notable yachts

  • Lionheart · 43.4 m, 2010
  • Firefly F Class · 35.2 m, 2011
  • Atalante Truly Classic 90 · 27.5 m
  • Acadia Truly Classic 90 · 27.4 m, 2017

Services

  • new build (sailing yachts)
  • refit and repair up to 45 m
  • fit-out of Green Marine hulls (after 2016)

Haul-out

Travel liftnot published
Shipliftnot published
Dry / floating docknot published
Max LOA handled (m)45 (refit and repair, BOAT profile, undated)
Max tonnage handlednot published
Sheds / berthsnot published

Sources

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