This study provides an in-depth analysis of the properties of a novel biocomposite synthesized from wheat straw and carrageenan obtained from the seaweed Furcellaria lumbricalis. Mainly focusing on the evaluation of the properties of this biocomposite, the study explores its possible applications in the field of biodegradable products. The combination of wheat straw and carrageenan is not only an environmentally friendly and sustainable alternative but also takes advantage of the unique properties of these natural materials. The investigation includes a comprehensive examination of the biocomposite structural, mechanical, and biodegradation properties, including moisture and UV effects. The structural integrity and mechanical strength of the material are evaluated to ensure its suitability for various applications. In addition, biodegradability properties are scrutinized to assess environmental impact and potential contribution to sustainability. The results of this study provide valuable insight into the promising applications of wheat straw and carrageenan biocomposite in the development of environmentally friendly products. As the world increasingly looks for sustainable alternatives, this research contributes to the development of the field of green materials. The use of abundant and renewable resources in biocomposite synthesis complies with circular economy principles and environmental responsibility. In conclusion, wheat straw and Furcellaria lumbricalis-derived carrageenan biocomposite is a promising candidate for use in biodegradable products, showing their potential to promote development of sustainable materials. A comprehensive study of its properties is the basis for further research and application in various industries committed to environmental stewardship.