Royal Caribbean Cruises has announced agreements to build three new ships for Silversea Cruises.

Silversea signed a memorandum of understanding with German shipbuilder Meyer Werft to build two new vessels in a new Evolution Class.

The first Evolution-class ship is expected to deliver in 2022.

Silversea also signed a contract with Dutch shipbuilder Shipyard De Hoop to construct a new expedition vessel, named Silver Origin, that will serve the Galápagos Islands itinerary currently sailed by Silver Galapagos.

The new ship is expected for delivery in March 2020.

“We are delighted to have entered into an agreement with Meyer Werft on the Silver Evolution series and De Hoop for Silver Origin,” said Manfredi Lefebvre d’Ovidio, Silversea executive chairman.

“With our guests in mind, we are pushing the boundaries of ultra-luxury cruising, as well as expedition cruising in the Galápagos Islands and beyond, redefining the concept of immersive travel.”

The agreements are subject to certain contingencies which are expected to be completed in the first quarter of 2019.

“We are very happy to build these new ships for Silversea Cruises.

“Together with Silversea we will create a new generation of environmentally friendly ships in the ultra-luxury cruise market,” said Tim Meyer, managing director of Meyer Werft.