For the first time two cruise ships and a barge will be used to house Channel migrants.
The vessels have been commissioned by the Government to cater for 1,000 asylum seekers.
The Home Office has been given the green light to moor barge in Portland Harbour, Dorset.
The council has dropped its threat of legal action over the plan.
It felt it would not win the case and would have incurred “high costs” to local taxpayers.
A council statement said:
“We are committed to working with the Home Office and our partners to ensure minimal impact to public services for local people and that provision for the asylum seekers is properly resourced and is effective.”
Prime Minister Rishi Sunak revealed two ships have also been brought into action to help solve housing migrants.
The vessels will hold 1,000 migrants.
The berth location has not been revealed.
Military bosses have, however, raised security concerns over the plans to moor the barge next to a Royal Navy vessel where special forces soldiers train.
The barge – called the Bibby Stockholm – is scheduled to be towed to Portland Harbour within 14 days.
It will remain there for 18 months.
Mr Sunak claimed his campaign to stop the migrants’ boats was starting to work.
Over the last year the number crossing the Channel was down 20 per cent.