The town was named after a half-mile or one-kilometre stretch of grey stones between two beaches on the seafront. The harbour area and Greystones railway station are at the northern and southern ends respectively. The North Beach, which begins at the harbour, is a stony beach, and some of its length is overlooked by the southern cliffs of Bray Head, which are subject to erosion. The South Beach is a broad sandy beach about one kilometre long. It is a Blue Flag beach and receives many visitors and tourists, mainly in the summer.