Revenue increased by 5.7% year-on-year to 14.903 million euros, the port's authority said in its first-quarter report.
Revenue from port dues rose by 6.7% to 13.032 million euros, but revenue from land fees edged down by 0.3% to 1.833 million euros.
First-quarter cargo traffic via Klaipeda grew by 483,300 tons, or 4.7%, to 10.79 million tons.