The Boac River is a significant waterway located in the province of Marinduque, Philippines. It flows through the town of Boac, which is the capital of the province. The river is known for its scenic beauty and plays a vital role in the local ecosystem, supporting various plant and animal species. Historically, the Boac River has been important for the local community, providing water for agriculture and daily activities. It also serves as a natural resource for fishing and recreation. The river's health is crucial for the surrounding environment and the livelihoods of the residents in the area.