Mark Smaalders Yacht Designs

Plans for seaworthy, affordable cruising boats, sail and power - featuring wood and wood/epoxy construction.

Kahuna Nui

Olga 28 trailerable trawler

Olga 28

North Sea 29


  Recent photos from builders around the world 

Above: in July 2022, in Belgium, Jan Saey launched his NS29 Cajuro.   She's still being rigged, more photos to come.

Above: in June 2022, at the WoodenBoat Show in Mystic, Paul Thompson's Kahuna Seven Stars won BEST IN SHOW, OWNER-BUILT SAIL. A fitting prize for a stunning job of building.  

In North Carolina Sytse Douna has painted his Olga 28. 

Above: The helm station on Sytse's Olga 28.

Designs under development  New sail and power designs 

Simplicity 28

Sea Lion

Deck construction and interior for a 32' Lyle Hess cutter 

Making changes to an existing boat, or to a set of plans?

I can help with repowering, hull and rudder changes and repairs, and new interiors.

I can also provide advice if you are buying a boat, used or new. 

Hull and ama modifications for a 40' trimaran