The Contracts Manager for the new prison in Jurby says he believes it is one of the best of its kind.
Colin Wilson from O'Hare McGovern has been speaking after the official handover of the keys to the Department of Home Affairs.
Construction work was completed last week, and the focus is now on installing security systems and bringing staff up-to-date with new operational requirements.
Home Affairs Minister Martyn Quayle says despite a delay in completion, he's still hopeful prisoners will move into the £41.7 million pound building in the first half of this year.
Mr Wilson says while the finished result is one to be proud of, there were some challenges along the way:
(Pictured: Home Affairs Minister Martyn Quayle and O'Hare and McGovern Contracts Manager Colin Wilson)