Yi Sun-sin Marina (Korean: 이순신마리나) is a marina in Ungcheon-dong, Yeosu, South Jeolla Province, South Korea.

It is named for the famed Korean admiral Yi Sun-sin.

[1] The docks were primarily meant for leisure usage; for small boats and yachts.

There are 102 onshore berths, 98 parking spaces, a crane, and a three-story building for members of the marina.

[2] It held its first annual Gamak Bay yacht competition on April 28, 2022.