Kambalny Island is located in the south east of the Peninsula, near Kambalny cape, in Orkhost Sea.
This island, mostly made of rocks and close to sea level, rises to 27 meters in its central part. The island is part of the South Kamchatka Federal Reserve.
It is the home of 4 seabird species including 400 couples of tufted puffins. The Island used to be called Toporkov, the Russian name of the birds. It also welcomes many sea-otters. From the 19th century the Itelmens hunted the animals. In 1923, the otters were declared a protected species. The north part of the island is the home of 200 to 300 dotted seals.