[3] The mouth of the Gulf of Ob is in the Kara Sea between the Gyda and Yamal peninsulas.

[2] The gulf is relatively shallow, with an average depth from 10 to 12 metres (33 to 39 ft), which restricts heavy sea transport.

[citation needed] A new port has been developed at Sabetta, on the west bank of the gulf, to support the Yamal LNG plant.

[6] Gazprom's Arctic Gate offshore oil loading terminal is in the gulf, designed to operate where ice could be over two meters thick.

[9][10] In 2020 the company presented plans for construction of a major port for gas shipment.