The longest cruise ship in the world as of now is the Symphony of the Seas Cruise Ship.
The largest and longest cruise ship is the 25th ship in the Royal Caribbean's fleet, Symphony of the Seas is currently the world's largest cruise ship.
The giant cruise ship has 228,081 gross registered tons, measures 238 feet tall and spans 1,188 feet long.
The average cruise ships holds between 50,000 gallons of fuel to as much as 80,000 gallons of fuel.
So it can cost as much as $80,000.00 to $200,000.00 to fuel a cruise ship which is very expensive.
Some smaller cruise ships such as the Norwegian Spirit ship can cost up to $80,000.00 per day to operate.
Larger cruise ships like the Freedom of the Seas can cost as much as $2 million dollars per day to operate.
Operating a cruise ship is very expensive and the fuel alone is a very high cost.
If you think it costs a lot to fuel your car with gasoline then you would faint if you had to fuel a cruise ship out of your pocket.
You need a lot of money to operate a cruise ship and cruise line.