Dakshinamurthy Gurusthalam, Pattamangalam

This ancient Vishnu temple near Tirupathur is one of the 108 Divya Desams glorified in the Naalayira Divya Prabandham of the Alvars. It is famed as the place where the Vaishnava acharya Ramanuja proclaimed the sacred Ashtakshara mantra 'Om Namo Narayanaya' to all people from the temple tower, defying his teacher's instruction to keep it secret. Its landmark Ashtanga Vimana rises even taller than the five-tiered rajagopuram and enshrines the deity in three postures across its levels.

A Vishnu temple at Ariyakudi popularly called 'Then Tirupati' (Tirupati of the South), an important pilgrimage stop in the Chettinad region.

A rock-cut cave temple with a roughly 6-foot Ganesha carved from the living rock, over 1,600 years old with Pandya-era Tamil-Brahmi inscriptions.

The Sri Vairavar Swamy Temple at Vairavanpatti, a Chettinad-region shrine dedicated to Bhairava (Vairavar), a fierce form of Shiva.

A living hill-and-cave Murugan temple at Kundrakudi, outside Karaikudi town.

A small lake sanctuary near Tirupathur that hosts migratory water birds such as painted storks, pelicans and herons.

A Shiva temple at Kottaiyur village in the Chettinad belt, known locally for its gopuram and traditional Dravidian temple architecture.

One of the nine Nagarathar clan temples of Chettinad, located at Iraniyur near Keelasivalpatti, about 25 km from Karaikudi on the Pillaiyarpatti road. The Shiva temple carries stone inscriptions dating back to the 16th century recording royal grants and community endowments. It serves as the ancestral temple of one section of the Nattukottai Chettiar community.

A memorial mandapam at Sirukoodalpatti near Karaikudi honouring Kannadasan, the celebrated 20th-century Tamil poet and film lyricist known as 'Kaviarasu' (King of Poets), who hailed from this region. It commemorates one of Tamil Nadu's most beloved literary figures. The memorial is listed among the district's official places of interest.

A grand Chettinad mansion in Athangudi village noted for its ornate facade and the handmade Athangudi tile flooring produced locally.

A famed Chettinad mansion in Karaikudi popularly nicknamed the 'Thousand Windows House' for its rows of louvred windows and doors along its long facade.

One of the nine ancestral clan (Nagara) temples of the Chettinad Nagarathar community, dedicated to Lord Shiva. Traditionally attributed to Pandya-era patronage, it is the clan temple of one exogamous section of the Nattukottai Chettiars. It forms part of the customary circuit of the nine Nagarathar temples in Sivaganga district.