It is accessed through crumbling gateways that lead through the surrounding forest and past a deep trench encircling part of the structure.
Upon reaching the main entrance, visitors will pass through several small rooms and corridors, where tree roots cascade over the fort's walls.
The fort was part of Admiral Kanhoji Angre's line of defenses, built for Maratha Queen Tarabai Bhosale.
The previous holders, the Sawant clan of Maharashtra, were desperate to regain control of it due to its valuable strategic position on the coast.
An attempt to recapture Redi Fort involved poisoning the Portuguese garrison's fish supply, but the attack was unsuccessful.