Kien Giang sub-21

Kienlongbank Kiên Giang were runners-up to Sài Gòn Xuân Thành in the 2011 Vietnamese First Division and are promoted to the Super League for the 2012 season.

In 2013, Kiên Giang withdrew from professional football due to lack of funds, so the team was dissolved.

In the 2017 season, Kiên Giang re-established and returned to the Vietnamese football system, participate in the 2017 National Third League , but the team did not succeed with a losing record. In 2018, Kiên Giang football did not participate in the 3rd division, so it was disbanded again.

In the 2022 season, the club renamed Dugong Kiên Giang Club was established again by current chairman Nguyen Anh Tuan to attend the 2022 National Third Division . The team consists of young players led by coach Đào Văn Phong , a former player of the Vietnamese national team . On October 31, 2022, Dugong Kiên Giang defeated Kon Tum Football club with a score of 1–0 in the final round of the National Third Division, which promoted them to the 2023 Vietnamese Football League second division, the third tier of professional football in Vietnam.