A vandal spent a penny then caused thousands of pounds worth of damage to Tayport public toilets.
Fife Council officials are now working rapidly to carry out repairs.
The ladies and gents capsule-like cubicles cost 30p to enter and are widely used by locals and visitors to the harbourside.
The units have had to be locked up after a vandal paid to get in and then started a fire inside them.
One visitor, who did not want to be named, said: “I took a wee stroll around the waterfront and took in the view.
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“But when I needed the toilet and saw that they were out of commission I was left a bit shocked and disappointed that someone could vandalise them.
“I hope they are fixed soon because it doesn’t leave a good impression for visitors.”
The 56-year-old man, who was visiting Tayport having recently moved to Dundee, added: “There are a lot of places where there are no toilet facilities and it would be a shame if these were to close too.”
Tariq Ditta, senior manager for Fife Council’s facilities management service, said: “This is an unfortunate act of repeated and needless vandalism that negatively impacts on local people, families and communities.
“Fife Council works hard to keep public conveniences open and in good order, for the use of residents and visitors.
“This is achieved under very stretched budgets and supported by coin-operated entry systems.
“We have scheduled in repairs, and urge people to use facilities responsibly and report any acts of vandalism to Police Scotland or Fife Council.”