The submarine codenamed HQ-185 Da Nang was transported by the Dutch-registered cargo ship Rolldock Storm.
The submarine was launched on March 28, 2014 at the Admiralty Shipyards in St. Petersburg, Russia, and then had a trial run on the Baltic Sea.
On May 14 this year, it started the voyage to Vietnam.
The first three submarines, named after Hanoi, Ho Chi Minh City and Hai Phong, arrived in Vietnam in 2014 and early 2015.
The fifth submarine codenamed HQ-186 Khanh Hoa underwent trial run on the Baltic Sea on June 8.
The delivery of the sixth and last one, HQ-187 Ba Ria-Vung Tau, is scheduled for next year.
The six submarines are built under a US$2-billion deal signed during a Prime Minister Nguyen Tan Dung's visit to Russia in 2009.
Russia will deliver all by 2016, train Vietnamese crews, and supply necessary spare parts.
A Kilo submarine of the Vietnam Navy, arrived at the bay of Cam Ranh Port in Khanh Hoa Province. Vietnam and Russia signed a contract to supply six submarines worth more than 2 billion dollars.