Abstract To date, no studies have been undertaken on Pasaran Island to investigate waste generation and composition, rendering this research significant for laying the groundwork for precise and sustainable waste management planning. Existing studies predominantly center on waste generation concerning community behaviour, stakeholder roles in management, and the technical assessment of waste management aspects. Consequently, this study aims to quantify waste generation and composition on Pasaran Island. Sampling adhered to the SNI-19-3694-1994 standard over eight consecutive days, focusing on household waste for domestic waste samples and selecting commercial establishments, mosques, and schools as sources for non-domestic waste samples. The research reveals an average waste generation rate of 0.13 kg/person/day on Pasaran Island. Organic waste predominates, constituting 44% of the total, originating from household activities like kitchen waste and waste deposited on the island by the sea. Plastic, encompassing bottles, bags, and food packaging, ranks as the second most prevalent waste type at 26% of the total. Residents in tourist areas exhibit distinct waste generation characteristics. The findings can be utilized for the development of the tourism sector to consider organic waste as the primary focus, it must be addressed first.