Excessive alcohol consumption continues to affect residents in Dee Why and surrounding Northern Beaches suburbs, with data showing high levels of risky drinking and related harm.
Background on Alcohol Use Trends
The Northern Beaches have not seen updated research into alcohol consumption patterns since 2017. Despite this, current health data indicates that around 20 per cent of the local population consumes more than two standard drinks per day, exceeding recommended limits.

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High-Risk Suburbs and Demographics
Bayview, Warriewood, Mona Vale, and Elanora Heights record the highest levels of excessive drinking, with 25 per cent of residents aged over 15 identified as high-risk drinkers. This figure stands nine per cent above the state average. The most affected age groups are teenagers aged 15 to 19 and adults aged 35 to 54, according to Northern Sydney Local Health District data from 2014–15.
Contributing Factors and Local Insights
In Dee Why, community representatives and venue operators point to a mix of cultural norms, peer influence, and the decline of non-alcohol-based social activities. Reduced access to cinemas and live music venues has left fewer alternatives for evening recreation, particularly in Manly and its surrounds.
Social and Health Impacts
The Northern Beaches ranks second in Sydney for the proportion of alcohol-related domestic violence cases, with alcohol involved in 42 per cent of reported incidents over the past decade. Local police data shows a rising trend in drink-driving incidents, increasing from 341 cases in 2021 to 455 in 2022. Manly also records hospitalisation rates due to alcohol that are 60.5 per cent above the state average of 1,134 per 100,000 people.

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Attitudes and Awareness
Many women within identified high-risk groups are aware of their excessive consumption but continue to drink due to social settings and perceived pressure. Survey findings show that 59 per cent acknowledged drinking more than they should, while 62 per cent struggled to abstain when in group settings. Alcohol was reported to be present at 81 per cent of social gatherings.
Looking Ahead
Dee Why and the surrounding suburbs continue to face elevated levels of alcohol misuse. Community concerns centre on social influence, limited entertainment options, and the need for updated research and intervention strategies.
Published 22-May-2025