A U.S. cruise ship on a residential world voyage suspended its operations in Cambodia due to fuel costs, forcing hundreds of passengers to abandon their floating homes.

The Odyssey set sail two years ago on a three-year voyage to the seven continents marketed as combining long-term living at sea with global travel.

The Florida-based company said monthly fuel expenses per cabin that historically averaged $1,800 has recently reached an estimated $6,000 to $8,000 in parts of Asia during the war in Iran.