"True masterpieces" Holterman Shipyard has over 50 years of experience in building seaworthy steel and aluminum yachts up to 120ft . Each yacht is unique, custom-built, and made of real Dutch top quality. Holterman's yachts are shining examples of modern, state-of-the-art yacht design of true Dutch quality. At our shipyard we combine luxurious results with old-fashioned hard work. Each Holterman yacht is unique, both the layout and the furnishing are determined entirely in consultation with the owners.