Castletown Square will close to traffic for seven months from next week.
The closure is a seasonal one requested by Castletown commissioners.
The local authority hosts events in the square over summer.
Traffic will be banned from March 4 until October 1.
Mountain Road unlikely to open before Monday
Yellow warning for freezing temperatures tonight
School bangers night called off
AK47 and Uzi handed in to police
"No dispute" over Liverpool Ferry Terminal, says main contractor
More weekend bus strikes to come after 10-day walkout?
Minister to face question about bus strike
No rush to resurface Tromode Road