Hampshire Constabulary are appealing for witnesses to come forward following a spate of theft and damage at Ryde Harbour.
It is believed the incidents have occurred between Sunday 10th and yesterday, Tuesday 12th.
The incident is being investigated as part of Project Kraken, an enhanced crime and counter terrorist vigilance capability within the maritime environment of the Solent and the harbours and estuaries of Hampshire and the Isle of Wight.
Anyone with information is asked to contact Police by phoning 101. Mini-Com users can call the police on 01962 875000. Information can be given anonymously by phoning the independent Crimestoppers charity on 0800 555 111.