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Single-use plastics manufactured from petroleum take a longer time to degrade and can persist in marine sediments as microplastics. Additionally, the increase in solid waste from single-use plastics will result in higher expenditures for waste management operations. Therefore, plastic biobased or biopolymer is one of the alternatives to overcome this scenario. In this study, a biobased plastic is created using starch, green coconut husk, and pineapple peel. This research aims to produce potato starch-based bioplastic using green coconut husk and pineapple peel as filler. Moreover, to determine the properties of bioplastic produced in terms of surface morphology and water absorption rate. Furthermore, the mechanical and chemical characteristics of bioplastics, along with the percentage of biodegradation, in normal and compost soil. From the experimental results, adding pineapple peel, green coconut husk, and both items as filler can improve the water absorption resistance by 35.69%, 32.26% and 10.55%, respectively. The results indicated that adding pineapple peel, green coconut husk, and both as fillers enhanced the biodegradability of bioplastic by 2.55%, 8.15%, and 11.97%, respectively in terms of mechanical properties, potato starch-based bioplastic with pineapple peel and green coconut husk as filler with Young’s Modulus of 0.0342 N/mm2 and 0.0214 N/mm2, which were higher compared to the potato starch-based bioplastic without filler which was 0.01558 N/mm2.

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