The mangrove area in the coastal area of Karawang Regency has become an area that is ecologically pressured by the surrounding area, which greatly affects its sustainability. Coastal community awareness is very important to preserve the mangrove areas. This study was conducted from October 2016 to March 2017. At nine coastal districts of Karawang Regency, it aims to analyze fisheries' productivity associated within mangroves ecosystem based on mangrove data produced in 1995, 2005 and 2015. Correlation analysis between the production of some fishery commodities and mangrove area was conducted using SPSS 17. The results showed that the correlation between the mangrove ecosystem and the capture fisheries production was 0.7257. It can be concluded that there was a relationship between the mangrove ecosystem and the total fisheries production in Karawang Regency. The condition was expressed by the production of speckled shrimp, white shrimp, mullet and crab.