Antique Boat Museum

The Antique Boat Museum is a nonprofit museum of freshwater boating on the St. Lawrence River at 750 Mary Street in Clayton. The campus has several exhibit buildings of antique wooden boats, engines and river artifacts connected by paved, wheelchair-accessible paths. Visitors can tour La Duchesse, a 106-foot houseboat built in 1903 for hotelier George Boldt, and book a ride on Miss Thousand Islands III, a 30-foot triple-cockpit Hacker Craft. The museum also runs a boatyard, rowing and sailing programs and a research library.

What to know

• La Duchesse opened to museum visitors in July 2005 after the McNally family of Wellesley Island donated the houseboat.
• The 45-minute Ride the River trip carries up to six passengers and includes museum admission.
• The museum held the 62nd Antique Boat Show and Auction in 2026.
• La Duchesse tours are booked at the admissions desk on arrival, and the houseboat is not wheelchair-accessible.
• The museum is open seasonally, and smoking and pets are not permitted on the campus.