Ratnadurg Fort: The Complete History of Ratnagiri's Sea-Guarding Citadel

A Konkan coastal stronghold that passed through Bahamani, Bijapur, Maratha, Angre, Peshwa, and British hands — and is still watching the Arabian Sea.

Last fact-checked against primary and archival sources: August 2026.

At a Glance

| | |

|---|---|

| Also known as | Ratnagiri Fort, Bhagwati Fort |

| Location | A rocky headland overlooking Ratnagiri harbour and the Arabian Sea, Konkan coast, Maharashtra |

| Layout | Horseshoe-shaped, roughly 120 acres (fort length cited at approx. 1,300 m in some tourism sources) |

| Height | Approx. 200 ft above sea level |

| Primary material | Laterite |

| Key dates | 1670 (Shivaji's conquest) · 1750–1755 (Kanhoji Angre strengthens the citadel) · 1755–1818 (Peshwa era) · 1818 (British annexation) · 1950 (Bhagwati Temple renovated) |

| Notable features | Bhagwati Temple, lighthouse, Mahadarwaza gate, cannon bastions |

Introduction

Perched on a rocky outcrop where the Konkan coast meets the Arabian Sea, Ratnadurg Fort has overlooked Ratnagiri harbour since at least the medieval Deccan sultanate period. Locals often call it by another name — Bhagwati Fort — after the temple that stands at one of its highest points, a name that reflects how the site has carried religious as well as military significance for centuries.

What makes Ratnadurg worth understanding isn't only its age. It sat at the center of successive power shifts on the western Deccan coast: the Bahamani and Bijapur sultanates, Shivaji Maharaj's expansion into the Konkan, the Angre family's naval career, Peshwa administration, and finally British annexation in 1818.

This piece walks through that history section by section, noting clearly where the record is well-documented and where sources disagree or where detail is genuinely thin — a distinction that matters more than it might seem, since a fair amount of what circulates online about this fort blurs the two.

1. Origin: A Fort Without a Firmly Dated Birth

Historians and heritage sources don't fully agree on exactly when Ratnadurg was first fortified, and a trustworthy account should say so plainly rather than assign it a false precision.

Most accounts — including the fort's own Wikipedia entry and regional tourism sources — state that the fort was built during the Bahamani period, without committing to a specific year. Some tourism material stretches this back toward the 12th century, but that earlier date is not well substantiated in the sources reviewed for this piece and should be treated as unconfirmed rather than established fact.

What is well supported across sources is the broader sequence: the fort predates the Maratha period by a significant margin. It was a going concern — a working Bahamani, then Bijapur (Adil Shahi), coastal defense post — long before Shivaji Maharaj took it in 1670. He inherited an existing fortification; he did not build one from the ground up.

In short: Ratnadurg is a medieval coastal fort, traditionally dated to the Bahamani period, later held by the Bijapur Adil Shahis, and captured and reinforced by Shivaji Maharaj in 1670.

2. Under the Bahamani Sultanate and Bijapur

Ratnadurg's earliest well-documented role was as a coastal defense post, first under the Bahamani Sultanate and later the Adil Shahi rulers of Bijapur, who controlled it up to Shivaji's 1670 conquest.

The site's natural defenses did much of the work for its builders. It sits on an elevated, rocky headland, with the sea acting as a barrier on three sides and giving defenders a commanding view of both the harbour and the coastal approach roads. That same advantage — a strong harbour position with the sea itself serving as a wall — is the reason every subsequent power that held the fort chose to keep it rather than abandon it.

The fort's horseshoe-shaped, roughly 120-acre layout, organized into multiple defensive sections rather than one simple enclosure, took its basic form during this earlier period. This was also the broader era in which the Konkan coast became contested ground between the Deccan sultanates, regional powers, and arriving European maritime traders.

3. 1670: Shivaji Maharaj Captures the Fort

The best-documented single date in Ratnadurg's history is 1670, when Shivaji Maharaj took the fort from Adil Shahi (Bijapur) control.

This wasn't an isolated raid. Shivaji was actively building a chain of coastal strongholds to control the Konkan and secure maritime trade routes, and a fort commanding Ratnagiri's harbour fit squarely into that strategy. Ratnadurg took its place alongside other Konkan naval forts under Maratha control, including Jaigad, Vijaydurg, and other coastal citadels built or fortified during the same expansion.

What Shivaji Actually Changed

Rather than rebuilding the fort from scratch, Shivaji strengthened the existing structure — the typical pattern of Maratha fort administration across the Deccan. According to the fort's documented history, he had defensive towers built at two commanding points: one on the southern side, and another near what sources describe as the old court house area. As a result, Ratnadurg's fabric today reflects two overlapping building traditions: earlier Deccan Sultanate-era stonework, layered with later Maratha military reinforcement.

4. Naval Role: Guarding the Maratha Coast

Ratnadurg's importance grew as the Marathas developed a naval presence along the Konkan coastline.

A coastal fort of this kind did more than defend its own walls — positioned above a harbour, it could monitor shipping, secure landing points, and serve as an early-warning post along the coast. This is consistent with what's documented about the fort more broadly: it functioned as part of a coordinated Maratha coastal defense network rather than as an isolated post cut off from the forts around it.

5. The Angre Period: Strengthening the Citadel (1750–1755)

After Shivaji's death, Maratha coastal power on the Konkan increasingly ran through the Angre family, whose fleet became one of the most effective naval forces operating on India's west coast — repeatedly contesting European trading powers active in the region.

Kanhoji Angre's Documented Contribution

The clearest, best-sourced claim from this period is specific and worth stating precisely: Maratha admiral Kanhoji Angre improved the fort's citadel defenses between 1750 and 1755. This is the detail that consistently appears across the fort's documented history, and it's a narrower, more accurate claim than the broader idea (sometimes repeated online) that the Angre family held continuous administrative control of Ratnadurg for four decades. The available sources support the citadel improvement specifically, not a long standing Angre governorship of the fort — a distinction worth keeping straight when reading other accounts.

6. 1755–1818: The Peshwa Era

Following the Angre period, Ratnadurg came under the administration of the Peshwas, who by this point led the wider Maratha state, for the remainder of the 18th century and into the early 19th.

During this stretch, the fort retained a military and administrative role. Sources attribute a round of minor repairs during the Peshwa period (1755–1818) to Dhondu Bhaskar Pratinidhi; available records describe these as minor repairs rather than a major rebuilding, and don't give a single precise year for the work — a detail worth flagging rather than inventing a false date for.

7. Architecture and Defense Design

Ratnadurg is a good example of Konkan fort-builders working with the coastline rather than against it.

Material: The fort was built primarily of laterite, a stone common along the Konkan coast. Freshly quarried laterite is relatively soft and easy to cut, but hardens on exposure to air — making it practical and durable for regional fortification work.

Defensive design features:

- Sea-facing cliffs on three sides, making direct assault difficult

- Walls that follow the natural contour of the headland rather than a straight geometric plan

- Multiple bastions positioned for gun emplacement and observation

- A deliberately restricted, defensible main entrance

- The surrounding sea itself functioning as a natural barrier

- A commanding position for monitoring both the harbour and the coastal approach

The fort's irregular, headland-hugging layout is a deliberate departure from a simple symmetrical plan — walking it feels less like touring one bastion and more like covering an entire fortified promontory.

A note on unverified detail: some online accounts describe specific decorative or defensive flourishes at the main gate (for example, claims about iron fittings meant to deter animal attacks). We were unable to verify these specific claims against reliable sources, so they're left out here rather than repeated as fact. If you're researching a specific architectural detail like this, it's worth checking directly with the Maharashtra state archaeology department or a site visit rather than relying on secondary tourism copy.

8. Inside the Walls: The Three Main Sections

Ratnadurg is generally understood as organized around three focal points:

1. The Mahadarwaza (main gate)

2. The lighthouse

3. The Bhagwati Temple

Given the fort's roughly 120-acre footprint and uneven terrain, these areas historically accommodated defensive positions, living quarters, a place of worship, and water infrastructure alongside one another — the layout of a small, largely self-sufficient garrison, not just a defensive perimeter.

9. Bhagwati Temple — Why Locals Call It "Bhagwati Fort"

The Bhagwati Temple, located at a high point within the fort, is the reason many people know this site as Bhagwati Fort rather than by its formal name.

The temple has remained a functioning place of worship, which reflects a broader pattern in Indian fort history: garrisons frequently housed religious sites for the soldiers and communities stationed there, alongside — not instead of — their defensive purpose.

The best-documented restoration of the temple took place in 1950. Later restoration work on the wider fort structure is also recorded, though exact dating for every phase of this later work varies across sources.

10. The Lighthouse — A Fort That Outlived Its Original Purpose

One distinctive feature of Ratnadurg is its lighthouse, situated on the side of the fort facing the open sea.

The sea surrounds most of the fort's perimeter, and the lighthouse marks the seaward side of the site. It's a fitting symbol of how the fort has evolved: a structure built for medieval and early-modern coastal defense that was later repurposed for a different, but still maritime, function — guiding shipping rather than watching for it.

11. 1818: British Conquest and the End of Maratha Rule

Ratnadurg's period as a Maratha-administered stronghold ended during the Third Anglo-Maratha War. In 1818, British forces defeated the Maratha political and military establishment and took control of large parts of Maratha territory, including Ratnagiri.

This marks a genuine turning point. For roughly a century and a half, Ratnadurg had been tied to the Maratha state and, more specifically, to Maratha power on the Konkan coast. After 1818, it passed into an entirely different administrative system, as Ratnagiri became part of the Bombay Presidency under British rule.

12. From Military Stronghold to Heritage Monument

Once the Maratha military threat receded and British administration consolidated, Ratnadurg gradually lost its original strategic role — but its structures survived.

What remains today includes:

- Ramparts and bastions

- Gateways, including the Mahadarwaza

- Historic cannons

- Water infrastructure

- The Bhagwati Temple

- The lighthouse

- Assorted ruins and defensive remnants

Some sections have weathered badly over two centuries of exposure to the sea, but the fort's overall scale and its commanding position over the Arabian Sea remain genuinely striking — which is a large part of what draws visitors today.

13. Why the Location Mattered

Ratnadurg's strategic value becomes clear once you look at the wider Konkan landscape: the Sahyadri hills give way to a coastline that meets the Arabian Sea, cut through by rivers, creeks, and natural harbours.

A fort built at a headland like this, in this kind of terrain, was well placed to:

1. Watch for approaching vessels

2. Secure a working harbour

3. Monitor movement along the shore

4. Provide gun emplacements overlooking the sea

5. Serve as a defensible position in wartime

6. Support naval activity and personnel operating along the coast

7. Communicate with neighbouring coastal forts and settlements

Ratnadurg's history is best understood alongside nearby Konkan forts such as Jaigad and other coastal citadels — a reminder that these sites operated as a connected coastal defense system, not in isolation from one another.

14. Timeline: Ratnadurg Fort at a Glance

| Period | Event |

|---|---|

| Medieval period | Fort built and maintained during the Bahamani period |

| Later medieval period | Held by the Adil Shahi rulers of Bijapur |

| 1670 | Shivaji Maharaj captures Ratnadurg from Bijapur; builds towers at two commanding points |

| Late 17th century | Fort incorporated into the wider Maratha coastal defence network |

| 1750–1755 | Kanhoji Angre strengthens the fort's citadel defenses |

| 1755–1818 | Fort administered under the Peshwas; minor repairs attributed to Dhondu Bhaskar Pratinidhi |

| 1818 | British forces capture the fort during the Third Anglo-Maratha War |

| 1950 | Bhagwati Temple renovated |

| Today | Heritage, religious, and tourism landmark |

15. Why Ratnadurg Is Still Important

Ratnadurg's significance isn't simply that it's old — many Konkan forts are old. What sets it apart is that several distinct chapters of Deccan and Maratha history overlap on one physical site:

- Deccan sultanate politics, reflected in its earliest documented period under Bahamani and Bijapur control

- Maratha territorial expansion, marked by Shivaji's 1670 conquest

- Maratha naval power, tied to Kanhoji Angre's 1750–1755 strengthening of the citadel

- Everyday military life, reflected in the fort's laterite construction and layered layout

- A living religious tradition, sustained by the active Bhagwati Temple

- Colonial transition, marked by the 1818 British conquest

Its walls trace a path from the Deccan Sultanates through Maratha rule to British administration, while its position over the Arabian Sea is a lasting reminder of how the coastline shaped Konkan — and Maharashtra's — political history.

Frequently Asked Questions

When was Ratnadurg Fort built?

There's no single confirmed date. It's traditionally described as built during the Bahamani period, with some tourism sources citing an earlier 12th-century origin that isn't well substantiated in available records.

Why is it also called Bhagwati Fort?

Because of the Bhagwati Temple located at one of the fort's high points — a temple that remains an active place of worship today.

When did Shivaji Maharaj capture the fort?

In 1670, from the Adil Shahi rulers of Bijapur.

How is the fort connected to the Maratha Navy?

Maratha admiral Kanhoji Angre strengthened the fort's citadel defenses between 1750 and 1755, during the period when the Angre family's fleet was a dominant naval force on India's west coast.

When did the British take control?

In 1818, following the Maratha defeat in the Third Anglo-Maratha War.

Sources:

- Wikipedia — Ratnagiri Fort, Maharashtra ↗

- Government of Maharashtra — Ratnagiri District: History & Cultural Heritage ↗

- https://cultural.maharashtra.gov.in/english/gazetteer/RATNAGIRI/places_Ratnagiri.html ↗

- Incredible India — Ratnadurg Fort ↗

- Maharashtra Tourism — Ratnagiri District ↗