Bizone Rock (, ‘Skala Bizone’ \'ska-la bi-'zo-ne\) is the rock off Snow Island in the South Shetland Islands, Antarctica extending 120 m in southeast–northwest direction and 100 m wide. It is the largest and southeasternmost in a group of several rocks extending 1.84 km in southeast–northwest direction and 1 km in a southwest–northeast direction.

The feature is named after the ancient town of Bizone in northeastern Bulgaria.

Location Bizone Rock is located at , which is 4.4 km west of Irnik Point and 3.85 km northeast of Byewater Point. British mapping in 1968, and Bulgarian mapping in 2009.

Maps L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands . Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. (Updated second edition 2010. ) Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated.

References Bizone Rock. SCAR Composite Antarctic Gazetteer. Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)

External links Bizone Rock. Copernix satellite image