Baydukov Island, formerly Langr Island or Bol'shoy Langr Island, is a coastal island in the southern end of the Sea of Okhotsk. It is located southeast of Chkalov Island, off Schastya Bay, facing the northwestern tip of Sakhalin.
• Belyakov Island (Ostrov Belyakova) lies 11 km south of Baydukov Island's southern coast. It is 0.7 km long and about 500 m wide. This small island was named after Soviet lieutenant Alexander V. Belyakov, navigator of the record-breaking ANT-25 flight. ==References==