District wise Coastal Length of Tamil Nadu 

 

Coastal Districts

 Coastal length (km)

Thiruvallur

27.9

Chennai

19

Kancheepuram

87.2

Villupuram

40.7

Cuddalore

57.5

Nagapattinam

187.9

Thiruvarur

47.2

Thanjavur

45.1

Pudukkottai

42.8

Ramanathapuram

236.8

Thoothukudi

163.5

Tirunelveli

48.9

Kanyakumari

70


Source: Preparation of an Integrated Coastal Zone Management Plan and Coastal Vulnerability Maps of Tamil Nadu (2012) DEPARTMENT OF ENVIRONMENT, GOVERNMENT OF TAMIL NADU, INDIA