US owner Lindblad Expeditions is lining up a new cruiseship order as it expands its business.

CEO Sven-Olof Lindblad said in a results statement that the company was "close to finalising...plans for a newbuild blue-water vessel to be delivered in the second quarter of 2019."

"This increased capacity, combined with a loyal and expanding customer base which seeks an authentic expedition experience that we have a proven track record of providing, is expected to generate significant earnings growth and create additional shareholder value in the years ahead."