Sevuga Perumal Ayyanar Temple, Singampunari

A large Shiva temple set on the fortified Piranmalai hill (over 2,000 ft), the last outcrop of the Eastern Ghats in Tirupathur taluk. Regarded as the fifth of the Tevaram-praised Shiva sthalams of the Pandya region, the roughly 30-acre complex has three prakarams, five vimanams and a tall rajagopuram, with shrines representing Bhumi, Antariksham and Swargam. The hilltop also holds a Bhairavar shrine, the Pandava Theerthams and the dargah of Waliullah Sheikh Abdullah, making it sacred to both Hindus and Muslims.

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

An ancient Shiva temple (Kotravaleeswarar / Rajakhadga Paramesvara) at Koviloor near Karaikudi, built in the Dravidian style and associated with Pandya-era patronage. Adjoining it is the Koviloor Aadheenam, a nearly 200-year-old Saiva mutt founded by Sri Muthuramalinga Gnana Desikar, the Andavar of Koviloor. The Aadheenam is noted as an early centre of systematic Vedanta study in Tamil, publishing Tamil versions of major Vedantic texts.

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 Shiva temple at Pattamangalam noted as a Gurusthalam associated with Dakshinamurthy, the aspect of Shiva as the supreme teacher. It is listed among Sivaganga district's spiritual places of pilgrimage. Devotees visit it for blessings related to learning and wisdom.

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.

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

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

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

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.

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.