This cruise ship is getting a $70-million face-lift to become a home-at-sea for the ultra-rich

The Navigator is set to undergo a $70 million renovation to become a floating home-at-sea for the ultrawealthy.

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• A cruise ship is being transformed into luxury residences at sea.
• The Navigator, originally built in 1999, will undergo a multimillion-dollar renovation.
• Condos on the ship will cost upward of $750,000, and residents will have access to butlers.

A two-decades-old cruise ship is undergoing a...