Standart" was a veritable floating palace, adorned with mahogany-paneled drawing rooms, formal salons with polished floors, brass fittings, crystal chandeliers and velvet drapes.
The czar's private study was furnished in dark leather and elegant wooden furniture, while the czarina's drawing room and boudoir were bedecked in her favorite English chintz. The imperial yacht even had its own chapel for the private use of the family.
However, Russia's largest royal yacht was also her last. After the revolution in 1917, the ship was stripped of all its elegance, renamed "Vosemnadtsate Martza" and refitted as a drab, gray minelayer for service in the Soviet Navy. The boat was scrapped at Tallinn in Estonia in 1963.
Now decommissioned and on display in Edinburgh, Scotland, the vast and lavishly designed "HMY Britannia" has sailed over one million miles during 44 years of service and in the course of 968 official royal visits.
.Once described by Queen Elizabeth as "the one place where I can truly relax"
Today, the undisputed champion of royal vessels belongs to Dubai's Sheikh Mohammed bin Rashid Al Maktoum , whose $300 million mega-yacht is christened -- somewhat unimaginatively -- "Dubai."
Measuring 524 feet long, it's the world's second-largest yacht, eclipsed only by Russian billionaire Roman Abramovich's suitably named "Eclipse."
Decked out with a Jacuzzi, sea kayaks, snorkeling gear and wetsuits, "M/Y Grace" is one of the few specially tailored yachts fit to chart the delicate waters surrounding the Galapagos Islands.
The boat's regal past is only hinted at in its name. "M/Y Grace," as the vessel is now known, was once the royal yacht of Prince Rainier and Princess Grace of Monaco.
American actress Grace Kelly famously took her honeymoon aboard the royal yacht of her new husband, Prince Rainier of Monaco.When American actress Grace Kelly married the prince of Monaco, the couple were extensively pictured honeymooning on this exquisite 147-foot-long yacht, given to them as a wedding gift by prominent Greek shipping merchant Aristotle Onassis.
The K/S Norge is one of the last active royal yachts in Europe, belonging to Herald V, King of Norway.
Built in 1937 by Camper and Nicholson, the oldest leisure marine company in the world, the boat was originally owned by British aviation pioneer Sir Thomas Sopwith -- who had given it over to the UK's Royal Navy to serve as a convoy escort vessel during World War II.
In July 1947, the ship was purchased by the people of Norway as a present to the much beloved King Haakon VII for his 75th birthday. The royal yacht was renamed "Norge," the Norwegian word for Norway.
Still used today for state visits abroad, the classically shaped yacht is also employed as a base for the king when he competes in international yacht races.