Festival organisers and South Wairarapa District Council have agreed on a liquor ban to prevent "pre-loading" before the New Year's Eve event.
A liquor ban will be in place at Martinborough Square, Jellicoe St, Lake Ferry Rd, and Dry River Rd to the intersection with Blue Rock Rd from 7am on December 30 to noon on January 1.
It is the second time a liquor ban has been put in place for the 10,000-strong festival crowd, after pressure from police, community members and organisers.
In a letter of support, festival director Josh Mossman said the sustainability of the festival depended on the goodwill of the Martinborough community and organisers were keen to minimise any negative impacts.