These were the status symbols and playthings of the super wealthy of the US in 1880s and 90s.
The Yacht Photography of J.S. Johnston
This website is a library of antique yacht photographs taken by maritime photographer John S. Johnston (c.1839 - 1899) of New York City, in the late 1880s and 1890s, including America's Cup participants, Herreshoff yachts, and sail and steam yachts of all kinds.
Keep your sightglass full, your firebox trimmed and all that teak varnished!