Vaithamanidhi Perumal Temple, Thirukkolur

A Nava Tirupati Divya Desam and the birthplace of Nammalvar, foremost of the twelve Alwar saints, said to have composed his Tamil hymns beneath a tamarind tree here.

St. John's Cathedral is a large 19th-century Gothic-style church at the centre of Nazareth, a planned Christian town founded by SPG missionaries and developed by Canon Arthur Margoschis. It serves as the seat of the CSI Thoothukudi-Nazareth Diocese. Its tall, flat-topped tower is visible across the surrounding plains.

A village near Srivaikuntam whose Thamirabarani-valley urn-burial finds have been dated to roughly 3,200 years ago, cited as evidence of an ancient Tamil Iron Age civilisation.

A cluster of nine Vishnu Divya Desam temples along the Thamirabarani river between Srivaikuntam and Tiruchendur, each associated with one of the nine planets (navagraha).

The principal Divya Desam of the Nava Tirupati group, on the banks of the Thamirabarani, where Vishnu is worshipped as Vaikuntanathan; known for its ornate Pandya-era architecture.

A protected archaeological landscape on the Thamirabarani known for urn burials. Field access is separate from museum interpretation.

A Christian heritage town founded in the 19th century and named after Mr. Sawyer, an East India Company layman who established a village exclusively for Christian converts. It became one of the key SPG mission fields of the district, developing schools and a Gothic-style church. It is associated with early printing and education in the Tirunelveli-Thoothukudi mission belt.

A Shiva temple at Kattarimangalam village in Sathankulam taluk, with the presiding deity known as Veerapandeeswarar and the goddess as Nalla Thavam Nachiyar. It is counted among the Pancha Natarajar Sthalams, where the dancing form of Shiva is venerated here as Azhagiya Koothar. The temple lies about 14 km from Sathankulam town.

A historic harbour village at the mouth of the Thamirabarani river, called 'Punicale' by the Portuguese, who made it their principal southern-coast possession for about 50 years from 1551. They built hospitals, a seminary and a mud fort here, and the first Tamil printing press was set up at Punnaikayal in 1579. It succeeded the older port of Kayal in regional maritime trade.

A centuries-old Arab-trade port town of Islamic heritage, home to some of India's oldest mosques rebuilt over successive centuries with pillared prayer halls.

The grand Friday mosque of Kayalpatnam is one of the oldest mosques in India, traditionally dated to 842 CE and rebuilt in the 14th century by Sultan Sayyid Jamaluddin. Known as the 'Mosque of a Thousand Pillars' for its vast pillared prayer hall, it is the principal Islamic monument of this historic Arab-trading port town on the Bay of Bengal. It remains an active centre of worship and Islamic scholarship.

A village whose name means 'first village', founded in 1799 by Christian converts from Palayamkottai as the first purely Christian planned settlement in the region. It became an early cradle of Protestant mission work in southern Tamil Nadu and is home to St. Michael and All Angels Church. It remains a notable landmark of the district's Christian heritage.