The 67,000 gross ton ships will accommodate 800 passengers each once built by MV Werften shipyard in Stralsund, Germany.

The first ship is slated for delivery in 2022.

Crystal president and chief executive Tom Wolber said: “Our ocean ships are the heart of the Crystal brand and have been loved by our guests for more than 28 years.

“We are delighted to expand this celebrated fleet with amenities and spaces that our guests have come to love along with more choices and new experiences that will take luxury to the next level.

“We look forward to sharing more details next year with our guests and travel partners.”

In February, Crystal Cruises announced the vessels would have a smaller capacity than what was origi