Sea Urchins at Hakodate Asaichi held daily from 5am (6am during winter) to noon, just a few steps away from JR Hakodate Station. The market area spans about four city blocks..Products on sale include various types of fresh seafood such as crabs, salmon eggs, and sea urchin. The indoor section of the market has yet more seafood shops as well as fresh produce such as potatoes and other Hokkaido products. .Several fish restaurants can be found in the market area, offering fresh seafood breakfasts if your stomach is up to it. .