Red Sea Market and Yiwu Market are both seafood market in Mackerel Circle District, Yingkou City, Liaoning Province, in which the Red Sea Market is better, because the Red Sea Market is closer to the pier, seafood are caught directly from the pier, very fresh, Yiwu Market is farther away from the pier, the activity of seafood transported to the time of the activity has been relatively poor, so the Red Sea Market seafood is of better quality. And the Red Sea market is open all day, Yiwu market is only open half a day, go to the Red Sea market to buy seafood more convenient.