Chengshan Ailian Bay belong to the yellow sea, composed of two and a half bay bay "W" type, with a total area of 11 square kilometers, 8 kilometers long coastline, bay water depth 5-22 meters, bay mouth cat son head southwest from sea, the northeast to the horse he Angle, Angle in my island into the sea, the bay can be divided into two bay, mountains love even bay sea ranch located in love even bay east bay condition is superior, the surface is open, current active frequently, circulating self-purification powerful, water crystal clear, shallow sea beach area is vast, rich in algae, fish, shellfish, sea cucumbers, sea urchins, abalone and other seafood, Sea scallops row after row were served at a state dinner during US President Richard Nixon's visit to China in 1972.