It is extending 700 by 250 m (770 by 270 yd), with surface area 14 hectares (35 acres).

[1] The area was visited by early 19th century sealers.

Zavala Island is located at 62°28′12″S 60°09′52″W / 62.47000°S 60.16444°W / -62.47000; -60.16444, which is 1.3 km (0.81 mi) east-northeast of Balsha Island, 750 m (820 yd) southwest of Aspis Island, 800 m (870 yd) north of Slab Point, and 350 m (380 yd) west of Organpipe Point.

Bulgarian topographic survey by the Tangra 2004/05 expedition.

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.