The train runs on the Coastal line, from Galle to Maradana in the morning, and the return service is in the evening.

Since the mid-1950s, Sri Lanka Railways has been naming its significant passenger trains.

[2] The Samudra Devi initially ran as an ordinary long-haul passenger train.

The south-bound Samudra Devi begins its journey at Colombo Maradana Station.

This line links the regional towns of Moratuwa, Panadura, and Kalutara South, as well as popular beach resorts at Aluthgama, Ambalangoda, and Hikkaduwa.