Jumunjin is an eup (town) in northeastern Gangneung City. The population numbers about 20,600, or about 7,000 households. Roughly 10% of these are involved in fisheries and agriculture, respectively. Jumunjin is the site of Jumunjin Harbor, a significant fishing port on the Sea of Japan (East Sea), home to 394 fishing vessels. Roughly 9.7 of the Jumunjin's 60.55 kilometers are devoted to agriculture.
The Jumunjin Beach Resort is a popular tourist destination. The Jumunjin landscape was used as a backdrop for the 2000 Korean movie Kilimanjaro.
Jumunjin was split from Yeongok-myeon in 1927 to form Jumunjin-myeon, which gained eup status in 1937. It presently comprises five ri (villages).
There are three elementary schools, one middle school, and two high schools in Jumunjin. These are all overseen by the Gangwon Office of Education, which reports to the provincial office in Chuncheon. In addition, Kangwon Provincial College is located in the eup.
Jumunjin port has been mainly used for anchoraging lots of ships, especially squid fishing ships.
Jumunjin beach is the northern most beach of Gangwon province. Additionally, its depth is quite shallower than other beaches in eastern coast of South Korea.