Spits: A spit is a small point of low tongue or narrow bankment, commonly consisting of sand or gravel deposited by a longshore drifting and having one end attached to the mainland and
other terminating in the open sea. Two spit formations have been observed in south of the urban coast. Normally the formation of spit has been attributed to the movement and
deposition of materials by long shore current. The spit near Tuticorin is 0.75 to 2 km long and tongue shaped. Tuticorin spit has resulted by long shore currents during monsoon and the
sediments discharged by Tamiraparani River.