As the biggest seaport in Korea, Busan has an abundance of seafood. Severely, if you prefer your fish then Busan might be a playground for yourself, each individual few metres is a seafood restaurant with large tanks bursting with species like Crab, Hagfish and Flounder. Check out my seafood restaurant https://busannightactivities98765.alltdesign.com/getting-my-summer-holiday-haeundae-to-work-55605048