This study aims to identify the livelihood sources of small-scale fisherman households and assess the impacts of climate change on those sources, as well as to formulate adaptation strategies to cope with the impacts of climate change. A mixed-methods approach was applied. Data were collected through structured interviews with ۱۰۰ respondents. Data were analyzed using the Analytical Hierarchy Process (AHP). The results show that household livelihoods rely mainly on fishing activities (by husbands), contributing the highest income IDR ۱,۸۳۷,۹۰۸ per month (approximately USD ۱۱۵.۸۴), followed by non-fishing activities IDR ۵۹۸,۲۵۰ per month (approximately USD ۳۷.۷۱). Additional income is generated by wives and children, averaging IDR ۷۹۶,۶۵۰ (approximately USD ۵۰.۲۱) and IDR ۳۶۱,۰۰۰ (approximately USD ۲۲.۷۵) per month, respectively. Climate change has reduced fishing activity and income, threatening the sustainability of these livelihoods. In response, adaptation strategies include diversification of fishing gear and techniques, development of alternative income sources, use of fishing information technology, access to government support, adjustment of fishing times and locations, mangrove and coral reef restoration, social network utilization, and use of household assets and savings. These strategies reflect the adaptive efforts of small-scale fishermen households to maintain and strengthen their livelihoods amid climate-related challenges