The Roundhouse in Braddan says it's started monitoring the disc zone outside the £9 million building.
Disc parking there is for three hours, with no return for another two hours, from 8am to 6pm each weekday.
On Facebook, it's reminding people the parking is for Roundhouse visitors only.
It comes after a row between Braddan commissioners and the Department of Health and Social Care earlier this year about parking for the site.
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