Sakhalin Gulf is a gulf

Headlands and bays

Headlands and bays are two related features of the coastal environment.- Geology and geography :Headlands and bays are often found on the same coastline. A bay is surrounded by land on three sides, whereas a headland is surrounded by water on three sides. Headlands are characterized by high,...

 in the Sea of Okhotsk

Sea of Okhotsk

The Sea of Okhotsk is a marginal sea of the western Pacific Ocean, lying between the Kamchatka Peninsula on the east, the Kuril Islands on the southeast, the island of Hokkaidō to the far south, the island of Sakhalin along the west, and a long stretch of eastern Siberian coast along the west and...

 between continental Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 (north of Amur's mouth) and northern tip of the Sakhalin Island. The width of the gulf reaches up to 160 km. It is covered with ice from November until June.

The port of Moskalvo (Москальво) is located on the eastern shore of the Sakhalin Gulf, close to Ush Island

Ush Island

Ush Island is an island in the northern coast of Sakhalin. Ush Island is located between a shallow bay and the Sea of Okhotsk, at the mouth of the Sakhalin Gulf....

.

The Chastyye Islands

Chastyye Islands

The Chastyye Islands is an island group in the southern end of the Sea of Okhotsk. It is located in the Sakhalin Gulf, right north of the Tatar Strait, between the mainland shore and the western coast of Sakhalin....

are located in the midst of the gulf.