Arnala

Arnala is an island off the coast of Vasai in the Palghar district of Maharashtra, India. It is best known for Arnala Fort, a coastal fortification built by the Portuguese in the 16th century to guard the harbour and the maritime routes to Bassein (Vasai) and Mumbai. The fort sits at the seaward edge of the island and comprises largely ruined walls and remnants of bastions, reflecting the characteristics of a small defensive outpost rather than a large fortress.

Historically, Arnala played a role in the broader coastal defense network of the region. After the rise of Maratha power in the 18th century, control of Arnala and the surrounding coast shifted away from the Portuguese, and the fort gradually fell into disrepair. Today, only portions of the walls remain, and the site is primarily visited for its historic character and coastal views.

Geography and access-wise, Arnala lies near Vasai, around the Mumbai metropolitan area’s northern hinterland. The fort is reachable by boat from mainland towns such as Vasai and Bhayandar, with local operators sometimes arranging visits. The surroundings also include beaches and natural scenery, making the area a local destination for day trips and outings.

Significance: Arnala Fort is noted in regional heritage accounts as an example of Portuguese coastal architecture on the western coast of India and contributes to an understanding of the historic defense strategies along the Konkan coast.