The police say arrests at the Sea Terminal have increased by nearly half over the past year.
According to the chief constable's annual report, the number of investigations at the capital's port also rose from 55 to 91.
There were 90 arrests there, compared to 61 the previous year - a jump of 47.5 percent.
The report explains intelligence sharing has improved by combining the Ports Unit with the police, and having Customs and Excise officers stationed at the Sea Terminal.
Lancaster bombers to feature on new 50p pieces
Five new coins are being launched to celebrate one of Britain's best-known aircraft from World War 2.
Help recreate the Traitors arrival at King William’s College
Could you help lend a black Land Rover Defender for a Traitors themed event?
Deadline looms to be 2027 MGP newcomer
If you're thinking of riding to glory next year, time's running out!
Drug dealers in court to appeal sentences this month
Two cocaine dealers who were jailed for more than 26 years will appear in court again this month as they appeal their sentences.
Sailors could get welcoming Tongue shower upgrade
The Department of Infrastructure says it hopes changes in Douglas harbour will improve facilities for visiting sailors.
Noel marks 50 years since Swap Shop
Noel Edmonds has been celebrating a special anniversary over the weekend.
Community pay-it-forward initiative needs your help
A community initiative to help those struggling to make ends meet is appealing for help.
Possible disruption to bus services this evening
Bus Vannin's warning passengers of more possible disruption today.
