As the biggest seaport in Korea, Busan has an abundance of seafood. Severely, if you want your fish then Busan are going to be a playground for you, each handful of metres can be a seafood cafe with big tanks bursting with species like Crab, Hagfish and Flounder. Check out https://busan-night-activities99877.tokka-blog.com/36986188/5-essential-elements-for-summer-holiday-haeundae