SPC resumes Dublin and Belfast routes
The Steam Packet Company's news season of sailings for fast craft Manannan will start on 31 March.
The vessel's return will see an additonal option for travellers to the Republic of Ireland and Northern Ireland, following the demise of Citywing.
Irish services begin on 9 April with the season's first crossing to Belfast, while Dublin crossings resume on 12 April.
SPC says there are more than 900,000 seats available at special offer prices during 2017, along with a Kids Go Free summer deal.
Chief Executive Mark Woodward says he hopes the choice will expand opportunities for residents and attract more visitors to the Isle of Man.