Dalian is a big seafood province with many cheap seafood shops. Here are some recommended methods:

1. Dalian Old Restaurant: Located at No.29, Luxun Road, Zhongshan District, Dalian, it is a restaurant focusing on Dalian old dishes. The seafood here is cheap and delicious, especially braised sea cucumber and abalone stewed tofu.

2. Dalian Seafood Plaza: Located atNo. 1, Binhai Middle Road, Zhongshan District, Dalian, it is a large seafood plaza. There are many kinds of seafood here and the prices are relatively affordable. You can buy and cook now, which is very suitable for seafood lovers.

3. Teppanyaki: Located at No.29 Yan 'an Road, Zhongshan District, Dalian, it is a restaurant with teppanyaki as its main dish. The seafood here is moderately priced and the cooking method is unique and delicious.

4. Tanghekou Fishing Village: Located in Tanghekou Fishing Village, Ganjingzi District, Dalian, it is a restaurant mainly focusing on fishermen's culture. The seafood here is cheap and delicious, especially grilled fish and boiled sea urchins.

5. Dalian Bay Seafood Plaza: Located in Dalian Bay Plaza, Ganjingzi District, Dalian, it is a large seafood plaza. There are many kinds of seafood here and the prices are relatively affordable. You can buy and cook now, which is very suitable for seafood lovers.

The above are the recommendations of some cheap and delicious seafood shops in Dalian, I hope I can help you.