Square topsail schooner, SHENANDOAH, sailing in the waters of Nantucket Sound off Vineyard Haven on the island of Martha's Vineyard, USA, on July 20, 2005.

Name: SHENANDOAH
Flag: United States
Type of rigging: 108′ (33 m) square topsail schooner
Built: 1964
Designed by: Captain Robert S. Douglas
Yard: Harvey Gamage Shipyard, South Bristol, Maine USA
Owner: The Black Dog Tall Ships, Vineyard Haven, Massachusetts USA
Sails: 7,000 square feet (700 m2) of canvas
Length: 154 feet (47 m) from jib boom to main boom end
Topmast height: 94 feet (29 m)
Displacement: 170 tons (173 t)
Hull: made of Maine oak
Deck: made of pine
Lower masts: 20 inches diameter, 2.5 tons each
Maximum speed: 12.5 knots (23 km/h)
Maximum capacity: 30 passengers overnight
Engine: none (no auxiliary power, sails only)

Used as a passenger cruise ship and educational vessel. Claimed to be the only schooner of her size and topsail configuration sailed without an engine.

More info at: https://en.wikipedia.org/wiki/Shenandoah_(schooner)
More info at: https://theblackdogtallships.com/the-fleet/the-schooner-shenandoah/