America's 100 largest yachts for 2008. Information for America's one hundred biggest megayachts in 2008. Potomac is one of the largest yachts in America.

By Diane M. Byrne

#69: POTOMAC—165'0"

This is the only yacht on our list with the distinction of being a National Historic Landmark, having served FDR during his presidency. Earlier this year Potomac hosted a cruise in San Francisco Bay with Spirits in Stone, an organization promoting the arts from ancient cultures in Africa, Asia, and other regions.

Y: 1934/1995; B: Manitowoc Shipbuilding, USA; N: builder; H: steel; E: unknown

America's 100 Largest Yachts 2008