An ultra-luxury cruise line wants travelers to live on its cruise ship for 4.5 months while it sails to 40 countries — for up to $1.7 million a suite

Regent Seven Seas' Cruises' world cruises have been wildly popular. The company says its recently announced 2027 140-night global voyage will have a "record-breaking" fare of up to $840,000 per person.Regent Seven Seas Cruises

• Regent Seven Seas Cruises' 140-night 2027 world cruise would sail to 71 destinations across 40 countries.
• Fares range from $91,500 to $840,000 per person, the latter a record for the company.

What would you do with $91,500? If your answer is incredibly niche and something like "move onto a ship for four months while it sails to six continents," Regent Seven Seas Cruises has you covered.

Like other luxury cruise lines, Regent Seven Seas operates annual monthslong world cruises, many of which have sold out. If you've missed the opportunity to book its previous around-the-world voyages, here's your next shot: On Wednesday, the ultra-premium cruise line announced its newest global itinerary, a 2027 cruise to 71 destinations.

The 140-night sailing, known as the "World of Splendor," is an achievement in its own right. But not for any reasons you might expect: The most expensive cabin rings in at $840,000 per person, a record for the cruise line.