Luzhin Strait (or Third Kuril Strait) is a stretch of sea which separates Antsiferov from the Paramushir coast. It is named after Russian cartographer Fyodor Luzhin.

Gymnelus soldatovi (Eelpout) have been found at a depth of 100 m. in the strait.

50°41′36″N 156°09′36″E / 50.6933°N 156.16°E / 50.6933; 156.16