It will require about 20min by boat from Gujora just after passing the island of Naedo. Oedo is also obtainable by boat from other areas of Geoje. There have been also new music festivals about the beach. I found it to get fewer busier than Gwangalli Beach during the colder https://jasperw245k.blogocial.com/facts-about-busan-beach-nightlife-revealed-72327796