: Cabins on residential ships can range from $129,000 for interior units to over $13 million for luxury suites.

In 2008, Chris Willson made headlines by purchasing a —the Aurora —after finding it listed on Craigslist.

: Residents like Sharon Lane, a 77-year-old retired teacher, sold their homes to live at sea permanently.

Buying a modern, commercial-grade cruise ship is an enterprise-level endeavor usually reserved for billionaires or major corporations.

For many, "buying" a cruise ship means purchasing a on a specialized vessel like The World or Villa Vie Odyssey .

: It reportedly appeared in the James Bond film From Russia With Love and helped inspire The Love Boat .