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Alcohol and cannabis counselling and breath-testing drivers leaving base are among host responsibility measures the Navy is taking.
The service has outlined its drinking and host responsibility procedures in the wake of sex charges being laid against three young seamen.
Alcohol is believed to have been involved in attacks at Devonport Naval Base and at Lyttelton in the past week.
Junior ratings Riki Percival Eriha Roberts, 23, and Sidney Walter McCann Junior Ranapia, 20, face charges of rape and sexual violation after an alleged incident at Devonport on Monday.
Both men are on bail, and will return to court next month.
In a prepared response to Weekend Herald questions about alcohol consumption at the base, Lieutenant Commander Barbara Cassin, speaking for the Navy, said all recruits were provided ongoing alcohol and cannabis education.
People working at the mess are trained in host responsibility through the Alcohol Advisory Council.
Devonport Community Board chairman Mike Cohen said yesterday he had met with Navy and police representatives this year to address the problem of young people stationed at the base.
He said the Navy had been struggling to deal with the "awful lot of young recruits" arriving.
The recruits had often left the base to drink, resulting in a rise of alcohol-related problems.
Commander Cassin said all drivers leaving base were breath-tested between 9pm and 6am Thursday to Saturday, and randomly at other times.
