In the contemporary context, the term "project" represents a strategically organized activity aimed at achieving a specific goal, often within defined time and financial constraints. When observed within the specific context of the construction sector, the concept of a project encompasses a wide range of activities related to infrastructure development, which play a crucial role in economic development and the improvement of societal standards. On the other hand, "stakeholders" in the context of projects represent all relevant participants or entities with an interest, influence, or involvement in project implementation. In the construction of infrastructure projects such as the Pelješac Bridge, stakeholders encompass a broad spectrum of entities such as the Government, local communities, investors, contractors, experts from various fields, and other relevant parties. Their role is crucial for the success of the project, as their involvement ensures transparency, reduces risks, and enhances the project's acceptance within the community. This paper will analyze the importance of stakeholders' role using the example of the construction of the Pelješac Bridge in the Republic of Croatia. Through concrete examples and analysis, it will explore how stakeholders' participation has influenced the project's development, as well as its broader economic and societal implications for the country. Additionally, the paper will contribute to a better understanding of the challenges faced by stakeholders in the construction sector, emphasizing their pivotal role in every project, from financial support to legal compliance and communication.