Costamare Inc. owns and charters containerships to liner companies worldwide. As of February 23, 2018, it had a fleet of 71 containerships with a total capacity of approximately 466,000 twenty foot equivalent unit (TEU), including 64 vessels in the water, aggregating approximately 462,000 TEU; and 1 new build vessel of 3,800 TEU. The company was founded in 1974 and is based in Monaco.