The Department of Infrastructure says it's put an emergency closure in place on East Quay in Peel.
A stretch from the marina slipway until to just before the junction with Station Place is closed to pedestrians and traffic.
It's so Manx Utilities can carry out emergency repairs.
The closure order has been extended until 4.30pm on Friday, September 4.
Commissioner "saddened and disappointed" by ATM withdrawal
Private GP conference in Santon next month
Revamped holes would ease Peel course congestion, says club
Mountain Road WON'T close today, says DOI
Chilly forecast means move for chilli festival
Hunt for fly-tippers who dumped white goods
Final Mountain Road MGP closure today
Two candidates to battle out Marown by-election