Long before any conqueror marched south, Islam had already arrived on the Tamil coast — carried not by armies but by the monsoon winds and the Arab dhows that traded along the Coromandel and Pearl-Fishery coasts from around the 8th and 9th centuries. Out of that seaborne contact grew one of India’s oldest and most distinctive Muslim cultures: Tamil-speaking communities of merchants and mariners who built domeless mosques in a local idiom, wrote Islamic epics in classical Tamil, and made the tomb-shrines of their saints into places of shared devotion. This guide traces that heritage from the great Sufi dargahs of the delta to the ancient trading-port mosques of the south, and on to the shrines of Madurai, Trichy and Chennai.
- Arrived early: Islam reached the Tamil coast through Arab sea trade from around the 8th–9th centuries, long before the Delhi Sultanate.
- A Tamil-Muslim culture: the Labbai, Marakkayar and Rowther communities produced their own Tamil-language Islamic literature, such as Umaru Pulavar’s Sirappuranam.
- Marquee shrines: Nagore Dargah (five minarets) and the Erwadi Dargah are among South India’s greatest Sufi pilgrimage sites.
- Ancient mosques: Kilakarai and Kayalpatnam preserve some of the oldest mosques in India, in a distinctive Dravidian style without domes or tall minarets.
Islam on the Coromandel & the Tamil Muslim communities
The Tamil coast has faced the Indian Ocean for millennia, and its ports drew Arab traders in horses, pearls and spices centuries before Islam spread inland across the Deccan. Those merchants settled, married locally, and gave rise to communities that remain distinct today — broadly the Marakkayar and Labbai of the coastal towns and the Rowther of the interior, alongside the Urdu-speaking descendants of later Nawabi patronage. What sets Tamil Muslims apart is how thoroughly they wove faith into a local mother tongue: from the medieval period they produced a rich body of Islamic literature in classical Tamil, the most celebrated being the Sirappuranam, a life of the Prophet composed by the 17th-century poet Umaru Pulavar. The result is a heritage that is at once fully Islamic and fully Tamil — and one whose most visible monuments are the mosques and dargahs strung along the old trade routes.
The great Sufi dargahs — Nagore & Erwadi
The most famous of all is the Nagore Dargah near Nagapattinam, the tomb-shrine of the 16th-century Sufi saint Hazrat Syed Shahul Hameed, known as Qadir Wali. The complex is famous for its five minarets — by tradition the tallest was gifted by the Hindu Maratha ruler of Thanjavur, Pratap Singh — and it remains a striking symbol of shared Hindu-Muslim devotion, drawing pilgrims of every faith. Its great annual event is the 14-day Kandoori (Kanduri) festival, held to mark the saint’s death anniversary, when hundreds of thousands gather and a sacred flag is hoisted over the minarets. Far to the south, the Erwadi Dargah in Ramanathapuram district is the tomb of the saint remembered as Ibrahim Syed Auliya (Sultan Syed Ibrahim Shaheed), a centuries-old shrine whose whitewashed, green-domed sanctuary is one of the busiest Muslim pilgrimage sites in the region, thronged during its Santhanakoodu (sandalwood) Urs.

The trading-port mosques — Kilakarai & Kayalpatnam
If the dargahs speak of saints, the old ports speak of merchants. Kilakarai, on the Gulf of Mannar in Ramanathapuram, and Kayalpatnam in Thoothukudi were prosperous Marakkayar and Labbai trading towns whose wealth from the pearl and Indian Ocean trade built some of the oldest surviving mosques in India. Their architecture is a revelation: rather than the domes and soaring minarets of North Indian and Mughal mosques, these are low, pillared, flat-roofed halls carved in a thoroughly Dravidian idiom, so that at a glance the stonework can recall the granite temples of the same coast. Kilakarai’s old Jumma (Grand) Mosque — the Palaiya Jumma Palli — and the historic congregational mosques of Kayalpatnam are living monuments to a faith that put down roots by sea and expressed itself in the local building tradition rather than importing a foreign one.

Madurai, Trichy & Chennai
Inland, the temple city of Madurai holds two important sites. The Kazimar Big Mosque is traditionally held to be the oldest in the city, associated with a family said to descend from the Prophet and dated by tradition to around the 13th century, while the Goripalayam Dargah shelters two large domed tombs of saints linked to the Madurai Sultanate era; nearby at Thiruparankundram a hilltop Sikandar Dargah sits close to a famous Murugan temple, a reminder of how tightly the sacred landscapes are interleaved. In Tiruchirappalli, the Nathar Vali Dargah honours the saint Nathar Shah on the Rockfort side of the city. And in Chennai the Nawabs of the Carnatic left the elegant Wallajah "Big" Mosque in Triplicane, built in the 18th century, while the Thousand Lights Mosque — a Shia mosque of the same era — remains one of the largest and best-known in South India.
Visiting
These are active places of worship, so dress modestly (covered shoulders and legs), remove your shoes before entering prayer halls and shrine chambers, and follow any separate arrangements for men and women. Fridays and the annual Urs and Kandoori festivals bring enormous crowds and a wonderful atmosphere, but also long queues; a quiet weekday morning is easier for taking in the architecture. Photograph respectfully and ask before pointing a camera at people at prayer. Nagore pairs naturally with the Velankanni basilica and the churches of the Nagapattinam coast, while Kilakarai, Erwadi and Kayalpatnam make a rewarding loop through the deep south. For more on this coast see /india/tamil-nadu/guides/nagore-dargah-and-the-sufi-coast, and for etiquette that carries across faiths at Tamil Nadu’s shrines see /india/tamil-nadu/guides/tamil-nadu-temple-etiquette.
Frequently asked questions
How old is Islam in Tamil Nadu?
Very old. Islam reached the Tamil coast through Arab sea trade from around the 8th and 9th centuries — brought by merchants rather than conquest — giving the region one of the oldest continuous Muslim communities in India.
What is the Nagore Dargah famous for?
It is the tomb-shrine of the 16th-century Sufi saint Hazrat Syed Shahul Hameed (Qadir Wali), known for its five minarets and for shared Hindu-Muslim devotion. Its main event is the 14-day Kandoori festival marking the saint’s death anniversary.
Why don’t the Kilakarai and Kayalpatnam mosques have domes?
They were built by local Marakkayar and Labbai trading communities in a Dravidian idiom — low, pillared, flat-roofed halls that echo the granite temple architecture of the same coast rather than the domes and minarets of North Indian mosques.
Who are the Labbai, Marakkayar and Rowther?
They are the main Tamil Muslim communities. Broadly, the Marakkayar and Labbai are associated with the coastal trading towns and the Rowther with the interior; all developed a distinct Tamil-Muslim culture, including Islamic literature in classical Tamil.
What are the main Islamic sites in Chennai?
The Wallajah (Big) Mosque in Triplicane, built under the Nawabs of the Carnatic in the 18th century, and the Thousand Lights Mosque, a large Shia mosque of the same era — both among the best-known in South India.
Can non-Muslims visit these dargahs and mosques?
Generally yes — the great dargahs such as Nagore and Erwadi have long welcomed visitors of all faiths. Dress modestly, remove your shoes before entering, respect prayer times, and follow the guidance of shrine staff.
