Boztepe Peninsula is a peninsula in the Black Sea region of Turkey. It is in Sinop Province. The midpoint of the peninsula is at about

The link between the mainland (which itself is a bigger peninsula) to the west and Boztepe to the east is an isthmus of 1.5 km length and only 300 m width. Thus the peninsula looks like an island and it is sometimes called "island". The area of the peninsula is about 7 km2. The bay