Mangrove forests degradation is happening globally at an alarming rate since the 80's. Land conversion for human activities is one of many reasons contributing to the issue. The access the Knowledge, Attitude and Practice (KAP) on the function and conservation of mangrove, data was collected in Kuala Langat, Selangor within the vicinity of Sijangkang Mangrove Recreational Park using in-depth interviews (N = 100) and analysed using using ANOVA and linear regression. Results revealed that the respondents understand the importance of mangrove forests with high total mean knowledge score (80.93±7.77), attitude (75.83±8.51), and average on practice (55.95±11.44). Education is an important indication; resident status will determine the attitude towards the knowledge on the mangrove conservation. The linear regression depicts positive correlation between KAP variables where any changes will affect other variables.