The International 600 is a distinguished 36-foot classic yacht that represents a pinnacle of mid-century wooden boat building. Designed by Robert G. Henry Jr.—a naval architect whose pedigree includes work with the legendary firm Sparkman & Stephens—the 600 was marketed by the East Coast-based International Marine and built primarily by the De Dood & Sohn shipyard in Bremen, Germany. Often described as a "three-quarter scale Concordia," the International 600 was conceived as a high-quality racer-cruiser that could offer the seaworthiness and aesthetic of much larger yachts within a more manageable 36-foot frame. Unlike the West Wight Potters produced by the California-based International Marine mentioned in builder archives, the International 600 belongs to a legacy of blue-water traditionalists, characterized by its full keel, graceful overhangs, and exceptional timber construction.
International 600 Sailboats for Sale & Market Overview

- Make
- International
- Model
- 600
- Builder
- International Marine
- Designer
- Robert G. Henry Jr.
- Number Built
- Production Year(s)
- 1965 - ??
Below are the most recent International 600 sailboat listings (up to 10).
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| Source | Year | Make | Model | Price | Cabins | Heads | City | Country | Listing Date | |
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DISCLAIMER: We are not affiliated with any external listing websites in any way. We simply aggregate publicly available listings to make it easier for buyers to find sailboats for sale. We cannot guarantee the accuracy of the listings, so please verify all information with the seller before making any decisions.