The size of Eldamar is unknown, but the area between the Bay of Eldamar and the Pelóri was probably at least a few dozen miles wide; Eldamar also consisted of the shore of Taniquetil and the Calacirya where Tirion was built. The shore probably extended hundreds of miles to the north of the Calacirya.
The city of the Teleri, on the north shore of the Bay is Alqualondë, or Haven of the Swans, whose halls and mansions are made of pearl. The harbor is entered through a natural arch of rock, and the beaches are strewn with gems given by the Noldor. It includes the Calacirya and stretches far to the north and around the east-slopes of Taniquetil.