Sasthamkotta railway station is an NSG–5 category Indian railway station in Thiruvananthapuram railway division of Southern Railway zone. It is located in the Kollam district of Kerala. The nearest important major rail head to Sasthamkotta is Kollam Junction railway station. As per the latest railway report, Sasthamkotta railway station has generated ₹1.2479 crore (US$160,000) through annual passenger tickets earning during the year 2016–17.

Kollam district, is one of 14 districts of the state of Kerala, India. The district has a cross-section of Kerala's natural attributes; it is endowed with a long coastline, a major Laccadive Sea seaport and an inland lake. The district has many water bodies. Kallada River is one among them, and land on the east bank of the river is East Kallada and that on the west bank is West Kallada.