A modern cruise ship consists of more than 3000 passenger cabins in addition to public and technical areas. As a result, cabins account for a large proportion of the materials used to build an entire ship. Therefore, they can also make a major contribution to sustainability in the shipbuilding industry. Furthermore, a significant proportion of a ship’s energy consumption goes towards ensuring the desired comfort and coziness in the cabins. By developing innovative concepts and technical solutions for efficient and sustainable ship cabins, the joint EcoCab project will decisively contribute to the development of a holistic strategy for improving sustainability throughout the shipbuilding industry.