Island fortress at the coast in Arabian Sea. There is another fortress on the mainland and both parts of the fortress in the past were united with submarine tunnel, approximately 600 m long. Constructed in the 15th – 17th century AD.
| Location, GPS coordinates: | 17.8168 N 73.0844 E |
| Categories: | Fortifications and defensive walls, Fortresses and forts, Tunnels |
| Values: | Architecture, Visual |
| Rating: |  |
| Where is located? | Asia, India, Maharashtra, Ratnagiri District, at Harnai |
