Kalamitsi is a settlement and beach (covering an area of approximately 15,000 square meters), located in Sithonia, Halkidiki, and belongs to the Municipality of Sithonia.

There are permanent residents living in Kalamitsi, while during the summer it attracts a large number of tourists due to its crystal-clear sea. It is located 6 kilometers from Sykia, Halkidiki, and about 150 kilometers from Thessaloniki.