Here's how passengers will be impacted by the newly increased fees.

Maine officials approved a new fee structure that will raise passenger and infrastructure charges on cruise ships in Portland Harbor.

As demand for cruise vacations continues to rise, so do the costs to take them. Not only are cruise fares rising, but add-on fees are increasing, too — including per-passenger fees that ports charge ...

The new fee structure will provide an incentive for ships to use cleaner fuels while anchored in the city's harbor.