Police are urging Broads' boat owners to check on their vessels regularly after a spate of thefts in the area.
Three boats were set adrift and an outboard engine was stolen from Staithe Road, Barton Turf, between 11pm on Friday, September 15 and 6am on Saturday, September 16.
Meanwhile, a number of items were taken from Ludham Bridge overnight on September 15. Keys for a vehicle, an iPad and cash were stolen.
In another incident, a white rowing boat was stolen from the riverbank at Thurne, near to the windmill, between September 16 and September 17.
PC Paul Bassham, from Norfolk Constabulary's Broadsbeat team, said: 'I would like to remind boat owners to check on their vessels regularly, ensuring they have recorded the make, model and serial numbers of engines, boats and trailers.'
Anyone with information should call the Broadsbeat team on 101. Alternatively contact Crimestoppers anonymously on 0800 555111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here