Sindhudurg Fort is a historic sea fort located on an island off the coast of Maharashtra, India. Built in the late 17th century by the Maratha king Chhatrapati Shivaji Maharaj, it served as a strategic military base to protect the coastline from foreign invasions. The fort is known for its impressive architecture, featuring thick walls and numerous bastions. The fort covers an area of about 48 acres and is surrounded by the Arabian Sea. Visitors can explore its ancient structures, including temples and water cisterns. Sindhudurg Fort is a popular tourist destination, offering stunning views and insights into Maratha history.