Kadayal, also spelt Kadaiyal, is a small settlement in Kanyakumari District, Tamil Nadu. Mancode is situated in the north-west, Edaicodu in the south-west, Kaliel in the south-east and Arumanai in the south. Nearby tourist spots include Padmanabhapuram Palace, Neyyar Dam, Pechiparai Dam, Kovalam, Thengapattinam, and Thriparappu Waterfalls.
Accommodation facilities are available at Kovalam. The nearest airport is Trivandrum International Airport. Kadayal is easily accessible from Nagercoil, Kuzhithurai and Nedumangad by road.