Mark Smaalders Yacht Designs

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

Summer 2022 Update:

I'm cruising to Alaska this summer on my ketch and there may be some delays in filling plan orders and answering emails. Thanks in advance for your patience!

Kahuna Nui

Olga 28 trailerable trawler

Olga 28

North Sea 29


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