The island is located 47 km (29 miles) east of the Dagestan coastline, in the Caspian Sea, near the entrance to the Kizlyar Gulf.

The island has been designated an Important Bird Area (IBA) by BirdLife International because it supports significant numbers of Dalmatian pelicans, little bustards and great cormorants on passage.

[3] Tyuleny Island has a cold desert climate (Köppen BWk).

The annual precipitation for Tyuleny island is 187 mm (7.36 in), so it is the driest region in Russia.

This Republic of Dagestan location article is a stub.